12218750

素因数分解:

$2^1\times 5^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 56

約数和(自身を含む): 25312176

約数和(自身を除く): 13093426

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 125, 170, 230, 250, 391, 425, 575, 625, 782, 850, 1150, 1250, 1955, 2125, 2875, 3125, 3910, 4250, 5750, 6250, 9775, 10625, 14375, 15625, 19550, 21250, 28750, 31250, 48875, 53125, 71875, 97750, 106250, 143750, 244375, 265625, 359375, 488750, 531250, 718750, 1221875, 2443750, 6109375, 12218750]

約数ペア:

[(1, 12218750), (2, 6109375), (5, 2443750), (10, 1221875), (17, 718750), (23, 531250), (25, 488750), (34, 359375), (46, 265625), (50, 244375), (85, 143750), (115, 106250), (125, 97750), (170, 71875), (230, 53125), (250, 48875), (391, 31250), (425, 28750), (575, 21250), (625, 19550), (782, 15625), (850, 14375), (1150, 10625), (1250, 9775), (1955, 6250), (2125, 5750), (2875, 4250), (3125, 3910)]