28056320

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 70199136

約数和(自身を除く): 42142816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 953, 1280, 1472, 1840, 1906, 2944, 3680, 3812, 4765, 5888, 7360, 7624, 9530, 14720, 15248, 19060, 21919, 29440, 30496, 38120, 43838, 60992, 76240, 87676, 109595, 121984, 152480, 175352, 219190, 243968, 304960, 350704, 438380, 609920, 701408, 876760, 1219840, 1402816, 1753520, 2805632, 3507040, 5611264, 7014080, 14028160, 28056320]

約数ペア:

[(1, 28056320), (2, 14028160), (4, 7014080), (5, 5611264), (8, 3507040), (10, 2805632), (16, 1753520), (20, 1402816), (23, 1219840), (32, 876760), (40, 701408), (46, 609920), (64, 438380), (80, 350704), (92, 304960), (115, 243968), (128, 219190), (160, 175352), (184, 152480), (230, 121984), (256, 109595), (320, 87676), (368, 76240), (460, 60992), (640, 43838), (736, 38120), (920, 30496), (953, 29440), (1280, 21919), (1472, 19060), (1840, 15248), (1906, 14720), (2944, 9530), (3680, 7624), (3812, 7360), (4765, 5888)]