40657625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 57771792

約数和(自身を除く): 17114167

約数列:

[1, 5, 17, 19, 25, 53, 85, 95, 125, 265, 323, 361, 425, 475, 901, 1007, 1325, 1615, 1805, 2125, 2375, 4505, 5035, 6137, 6625, 8075, 9025, 17119, 19133, 22525, 25175, 30685, 40375, 45125, 85595, 95665, 112625, 125875, 153425, 325261, 427975, 478325, 767125, 1626305, 2139875, 2391625, 8131525, 40657625]

約数ペア:

[(1, 40657625), (5, 8131525), (17, 2391625), (19, 2139875), (25, 1626305), (53, 767125), (85, 478325), (95, 427975), (125, 325261), (265, 153425), (323, 125875), (361, 112625), (425, 95665), (475, 85595), (901, 45125), (1007, 40375), (1325, 30685), (1615, 25175), (1805, 22525), (2125, 19133), (2375, 17119), (4505, 9025), (5035, 8075), (6137, 6625)]