38420240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7873}}^1$

素因数の和:7947

約数の個数: 40

約数和(自身を含む): 90802968

約数和(自身を除く): 52382728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 7873, 15746, 31492, 39365, 62984, 78730, 125968, 157460, 314920, 480253, 629840, 960506, 1921012, 2401265, 3842024, 4802530, 7684048, 9605060, 19210120, 38420240]

約数ペア:

[(1, 38420240), (2, 19210120), (4, 9605060), (5, 7684048), (8, 4802530), (10, 3842024), (16, 2401265), (20, 1921012), (40, 960506), (61, 629840), (80, 480253), (122, 314920), (244, 157460), (305, 125968), (488, 78730), (610, 62984), (976, 39365), (1220, 31492), (2440, 15746), (4880, 7873)]