40919840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 105670656

約数和(自身を除く): 64750816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 103, 104, 130, 160, 191, 206, 208, 260, 382, 412, 416, 515, 520, 764, 824, 955, 1030, 1040, 1339, 1528, 1648, 1910, 2060, 2080, 2483, 2678, 3056, 3296, 3820, 4120, 4966, 5356, 6112, 6695, 7640, 8240, 9932, 10712, 12415, 13390, 15280, 16480, 19673, 19864, 21424, 24830, 26780, 30560, 39346, 39728, 42848, 49660, 53560, 78692, 79456, 98365, 99320, 107120, 157384, 196730, 198640, 214240, 255749, 314768, 393460, 397280, 511498, 629536, 786920, 1022996, 1278745, 1573840, 2045992, 2557490, 3147680, 4091984, 5114980, 8183968, 10229960, 20459920, 40919840]

約数ペア:

[(1, 40919840), (2, 20459920), (4, 10229960), (5, 8183968), (8, 5114980), (10, 4091984), (13, 3147680), (16, 2557490), (20, 2045992), (26, 1573840), (32, 1278745), (40, 1022996), (52, 786920), (65, 629536), (80, 511498), (103, 397280), (104, 393460), (130, 314768), (160, 255749), (191, 214240), (206, 198640), (208, 196730), (260, 157384), (382, 107120), (412, 99320), (416, 98365), (515, 79456), (520, 78692), (764, 53560), (824, 49660), (955, 42848), (1030, 39728), (1040, 39346), (1339, 30560), (1528, 26780), (1648, 24830), (1910, 21424), (2060, 19864), (2080, 19673), (2483, 16480), (2678, 15280), (3056, 13390), (3296, 12415), (3820, 10712), (4120, 9932), (4966, 8240), (5356, 7640), (6112, 6695)]