27861517840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{864191}}^1$

素因数の和:864248

約数の個数: 80

約数和(自身を含む): 72011390976

約数和(自身を除く): 44149873136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 864191, 1728382, 3456764, 4320955, 6913528, 8641910, 11234483, 13827056, 17283820, 22468966, 26789921, 34567640, 44937932, 53579842, 56172415, 69135280, 89875864, 107159684, 112344830, 133949605, 179751728, 214319368, 224689660, 267899210, 348268973, 428638736, 449379320, 535798420, 696537946, 898758640, 1071596840, 1393075892, 1741344865, 2143193680, 2786151784, 3482689730, 5572303568, 6965379460, 13930758920, 27861517840]

約数ペア:

[(1, 27861517840), (2, 13930758920), (4, 6965379460), (5, 5572303568), (8, 3482689730), (10, 2786151784), (13, 2143193680), (16, 1741344865), (20, 1393075892), (26, 1071596840), (31, 898758640), (40, 696537946), (52, 535798420), (62, 449379320), (65, 428638736), (80, 348268973), (104, 267899210), (124, 224689660), (130, 214319368), (155, 179751728), (208, 133949605), (248, 112344830), (260, 107159684), (310, 89875864), (403, 69135280), (496, 56172415), (520, 53579842), (620, 44937932), (806, 34567640), (1040, 26789921), (1240, 22468966), (1612, 17283820), (2015, 13827056), (2480, 11234483), (3224, 8641910), (4030, 6913528), (6448, 4320955), (8060, 3456764), (16120, 1728382), (32240, 864191)]