31216250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 80

約数和(自身を含む): 67309704

約数和(自身を除く): 36093454

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 113, 125, 130, 170, 221, 226, 250, 325, 425, 442, 565, 625, 650, 850, 1105, 1130, 1250, 1469, 1625, 1921, 2125, 2210, 2825, 2938, 3250, 3842, 4250, 5525, 5650, 7345, 8125, 9605, 10625, 11050, 14125, 14690, 16250, 19210, 21250, 24973, 27625, 28250, 36725, 48025, 49946, 55250, 70625, 73450, 96050, 124865, 138125, 141250, 183625, 240125, 249730, 276250, 367250, 480250, 624325, 918125, 1200625, 1248650, 1836250, 2401250, 3121625, 6243250, 15608125, 31216250]

約数ペア:

[(1, 31216250), (2, 15608125), (5, 6243250), (10, 3121625), (13, 2401250), (17, 1836250), (25, 1248650), (26, 1200625), (34, 918125), (50, 624325), (65, 480250), (85, 367250), (113, 276250), (125, 249730), (130, 240125), (170, 183625), (221, 141250), (226, 138125), (250, 124865), (325, 96050), (425, 73450), (442, 70625), (565, 55250), (625, 49946), (650, 48025), (850, 36725), (1105, 28250), (1130, 27625), (1250, 24973), (1469, 21250), (1625, 19210), (1921, 16250), (2125, 14690), (2210, 14125), (2825, 11050), (2938, 10625), (3250, 9605), (3842, 8125), (4250, 7345), (5525, 5650)]