2015682500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:715

約数の個数: 120

約数和(自身を含む): 4798932600

約数和(自身を除く): 2783250100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 125, 130, 218, 250, 260, 325, 436, 500, 545, 569, 625, 650, 1090, 1138, 1250, 1300, 1417, 1625, 2180, 2276, 2500, 2725, 2834, 2845, 3250, 5450, 5668, 5690, 6500, 7085, 7397, 8125, 10900, 11380, 13625, 14170, 14225, 14794, 16250, 27250, 28340, 28450, 29588, 32500, 35425, 36985, 54500, 56900, 62021, 68125, 70850, 71125, 73970, 124042, 136250, 141700, 142250, 147940, 177125, 184925, 248084, 272500, 284500, 310105, 354250, 355625, 369850, 620210, 708500, 711250, 739700, 806273, 885625, 924625, 1240420, 1422500, 1550525, 1612546, 1771250, 1849250, 3101050, 3225092, 3542500, 3698500, 4031365, 4623125, 6202100, 7752625, 8062730, 9246250, 15505250, 16125460, 18492500, 20156825, 31010500, 38763125, 40313650, 77526250, 80627300, 100784125, 155052500, 201568250, 403136500, 503920625, 1007841250, 2015682500]

約数ペア:

[(1, 2015682500), (2, 1007841250), (4, 503920625), (5, 403136500), (10, 201568250), (13, 155052500), (20, 100784125), (25, 80627300), (26, 77526250), (50, 40313650), (52, 38763125), (65, 31010500), (100, 20156825), (109, 18492500), (125, 16125460), (130, 15505250), (218, 9246250), (250, 8062730), (260, 7752625), (325, 6202100), (436, 4623125), (500, 4031365), (545, 3698500), (569, 3542500), (625, 3225092), (650, 3101050), (1090, 1849250), (1138, 1771250), (1250, 1612546), (1300, 1550525), (1417, 1422500), (1625, 1240420), (2180, 924625), (2276, 885625), (2500, 806273), (2725, 739700), (2834, 711250), (2845, 708500), (3250, 620210), (5450, 369850), (5668, 355625), (5690, 354250), (6500, 310105), (7085, 284500), (7397, 272500), (8125, 248084), (10900, 184925), (11380, 177125), (13625, 147940), (14170, 142250), (14225, 141700), (14794, 136250), (16250, 124042), (27250, 73970), (28340, 71125), (28450, 70850), (29588, 68125), (32500, 62021), (35425, 56900), (36985, 54500)]