61054940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 131725440

約数和(自身を除く): 70670500

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 239, 241, 265, 478, 482, 530, 956, 964, 1060, 1195, 1205, 2390, 2410, 4780, 4820, 12667, 12773, 25334, 25546, 50668, 51092, 57599, 63335, 63865, 115198, 126670, 127730, 230396, 253340, 255460, 287995, 575990, 1151980, 3052747, 6105494, 12210988, 15263735, 30527470, 61054940]

約数ペア:

[(1, 61054940), (2, 30527470), (4, 15263735), (5, 12210988), (10, 6105494), (20, 3052747), (53, 1151980), (106, 575990), (212, 287995), (239, 255460), (241, 253340), (265, 230396), (478, 127730), (482, 126670), (530, 115198), (956, 63865), (964, 63335), (1060, 57599), (1195, 51092), (1205, 50668), (2390, 25546), (2410, 25334), (4780, 12773), (4820, 12667)]