26809000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 70761600

約数和(自身を除く): 43952600

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 83, 85, 95, 100, 125, 136, 152, 166, 170, 190, 200, 250, 323, 332, 340, 380, 415, 425, 475, 500, 646, 664, 680, 760, 830, 850, 950, 1000, 1292, 1411, 1577, 1615, 1660, 1700, 1900, 2075, 2125, 2375, 2584, 2822, 3154, 3230, 3320, 3400, 3800, 4150, 4250, 4750, 5644, 6308, 6460, 7055, 7885, 8075, 8300, 8500, 9500, 10375, 11288, 12616, 12920, 14110, 15770, 16150, 16600, 17000, 19000, 20750, 26809, 28220, 31540, 32300, 35275, 39425, 40375, 41500, 53618, 56440, 63080, 64600, 70550, 78850, 80750, 83000, 107236, 134045, 141100, 157700, 161500, 176375, 197125, 214472, 268090, 282200, 315400, 323000, 352750, 394250, 536180, 670225, 705500, 788500, 1072360, 1340450, 1411000, 1577000, 2680900, 3351125, 5361800, 6702250, 13404500, 26809000]

約数ペア:

[(1, 26809000), (2, 13404500), (4, 6702250), (5, 5361800), (8, 3351125), (10, 2680900), (17, 1577000), (19, 1411000), (20, 1340450), (25, 1072360), (34, 788500), (38, 705500), (40, 670225), (50, 536180), (68, 394250), (76, 352750), (83, 323000), (85, 315400), (95, 282200), (100, 268090), (125, 214472), (136, 197125), (152, 176375), (166, 161500), (170, 157700), (190, 141100), (200, 134045), (250, 107236), (323, 83000), (332, 80750), (340, 78850), (380, 70550), (415, 64600), (425, 63080), (475, 56440), (500, 53618), (646, 41500), (664, 40375), (680, 39425), (760, 35275), (830, 32300), (850, 31540), (950, 28220), (1000, 26809), (1292, 20750), (1411, 19000), (1577, 17000), (1615, 16600), (1660, 16150), (1700, 15770), (1900, 14110), (2075, 12920), (2125, 12616), (2375, 11288), (2584, 10375), (2822, 9500), (3154, 8500), (3230, 8300), (3320, 8075), (3400, 7885), (3800, 7055), (4150, 6460), (4250, 6308), (4750, 5644)]