38741800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 91048860

約数和(自身を除く): 52307060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 1997, 2425, 3880, 3994, 4850, 7988, 9700, 9985, 15976, 19400, 19970, 39940, 49925, 79880, 99850, 193709, 199700, 387418, 399400, 774836, 968545, 1549672, 1937090, 3874180, 4842725, 7748360, 9685450, 19370900, 38741800]

約数ペア:

[(1, 38741800), (2, 19370900), (4, 9685450), (5, 7748360), (8, 4842725), (10, 3874180), (20, 1937090), (25, 1549672), (40, 968545), (50, 774836), (97, 399400), (100, 387418), (194, 199700), (200, 193709), (388, 99850), (485, 79880), (776, 49925), (970, 39940), (1940, 19970), (1997, 19400), (2425, 15976), (3880, 9985), (3994, 9700), (4850, 7988)]