51366250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 108246600

約数和(自身を除く): 56880350

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 109, 125, 130, 145, 218, 250, 290, 325, 377, 545, 625, 650, 725, 754, 1090, 1250, 1417, 1450, 1625, 1885, 2725, 2834, 3161, 3250, 3625, 3770, 5450, 6322, 7085, 7250, 8125, 9425, 13625, 14170, 15805, 16250, 18125, 18850, 27250, 31610, 35425, 36250, 41093, 47125, 68125, 70850, 79025, 82186, 94250, 136250, 158050, 177125, 205465, 235625, 354250, 395125, 410930, 471250, 790250, 885625, 1027325, 1771250, 1975625, 2054650, 3951250, 5136625, 10273250, 25683125, 51366250]

約数ペア:

[(1, 51366250), (2, 25683125), (5, 10273250), (10, 5136625), (13, 3951250), (25, 2054650), (26, 1975625), (29, 1771250), (50, 1027325), (58, 885625), (65, 790250), (109, 471250), (125, 410930), (130, 395125), (145, 354250), (218, 235625), (250, 205465), (290, 177125), (325, 158050), (377, 136250), (545, 94250), (625, 82186), (650, 79025), (725, 70850), (754, 68125), (1090, 47125), (1250, 41093), (1417, 36250), (1450, 35425), (1625, 31610), (1885, 27250), (2725, 18850), (2834, 18125), (3161, 16250), (3250, 15805), (3625, 14170), (3770, 13625), (5450, 9425), (6322, 8125), (7085, 7250)]