40079920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6863}}^1$

素因数の和:6949

約数の個数: 40

約数和(自身を含む): 94476096

約数和(自身を除く): 54396176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 6863, 13726, 27452, 34315, 54904, 68630, 109808, 137260, 274520, 500999, 549040, 1001998, 2003996, 2504995, 4007992, 5009990, 8015984, 10019980, 20039960, 40079920]

約数ペア:

[(1, 40079920), (2, 20039960), (4, 10019980), (5, 8015984), (8, 5009990), (10, 4007992), (16, 2504995), (20, 2003996), (40, 1001998), (73, 549040), (80, 500999), (146, 274520), (292, 137260), (365, 109808), (584, 68630), (730, 54904), (1168, 34315), (1460, 27452), (2920, 13726), (5840, 6863)]