2570510080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64781}}^1$

素因数の和:64833

約数の個数: 72

約数和(自身を含む): 6355891584

約数和(自身を除く): 3785381504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 64781, 129562, 259124, 323905, 518248, 647810, 1036496, 1295620, 2008211, 2072992, 2591240, 4016422, 4145984, 5182480, 8032844, 8291968, 10041055, 10364960, 16065688, 16583936, 20082110, 20729920, 32131376, 40164220, 41459840, 64262752, 80328440, 82919680, 128525504, 160656880, 257051008, 321313760, 514102016, 642627520, 1285255040, 2570510080]

約数ペア:

[(1, 2570510080), (2, 1285255040), (4, 642627520), (5, 514102016), (8, 321313760), (10, 257051008), (16, 160656880), (20, 128525504), (31, 82919680), (32, 80328440), (40, 64262752), (62, 41459840), (64, 40164220), (80, 32131376), (124, 20729920), (128, 20082110), (155, 16583936), (160, 16065688), (248, 10364960), (256, 10041055), (310, 8291968), (320, 8032844), (496, 5182480), (620, 4145984), (640, 4016422), (992, 2591240), (1240, 2072992), (1280, 2008211), (1984, 1295620), (2480, 1036496), (3968, 647810), (4960, 518248), (7936, 323905), (9920, 259124), (19840, 129562), (39680, 64781)]