25156940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3266

約数の個数: 48

約数和(自身を含む): 58387392

約数和(自身を除く): 33230452

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3217, 3910, 6434, 7820, 12868, 16085, 32170, 54689, 64340, 73991, 109378, 147982, 218756, 273445, 295964, 369955, 546890, 739910, 1093780, 1257847, 1479820, 2515694, 5031388, 6289235, 12578470, 25156940]

約数ペア:

[(1, 25156940), (2, 12578470), (4, 6289235), (5, 5031388), (10, 2515694), (17, 1479820), (20, 1257847), (23, 1093780), (34, 739910), (46, 546890), (68, 369955), (85, 295964), (92, 273445), (115, 218756), (170, 147982), (230, 109378), (340, 73991), (391, 64340), (460, 54689), (782, 32170), (1564, 16085), (1955, 12868), (3217, 7820), (3910, 6434)]