91440080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36871}}^1$

素因数の和:36915

約数の個数: 40

約数和(自身を含む): 219462144

約数和(自身を除く): 128022064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36871, 73742, 147484, 184355, 294968, 368710, 589936, 737420, 1143001, 1474840, 2286002, 2949680, 4572004, 5715005, 9144008, 11430010, 18288016, 22860020, 45720040, 91440080]

約数ペア:

[(1, 91440080), (2, 45720040), (4, 22860020), (5, 18288016), (8, 11430010), (10, 9144008), (16, 5715005), (20, 4572004), (31, 2949680), (40, 2286002), (62, 1474840), (80, 1143001), (124, 737420), (155, 589936), (248, 368710), (310, 294968), (496, 184355), (620, 147484), (1240, 73742), (2480, 36871)]