28796920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 68454720

約数和(自身を除く): 39657800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 226, 230, 277, 452, 460, 554, 565, 904, 920, 1108, 1130, 1385, 2216, 2260, 2599, 2770, 4520, 5198, 5540, 6371, 10396, 11080, 12742, 12995, 20792, 25484, 25990, 31301, 31855, 50968, 51980, 62602, 63710, 103960, 125204, 127420, 156505, 250408, 254840, 313010, 626020, 719923, 1252040, 1439846, 2879692, 3599615, 5759384, 7199230, 14398460, 28796920]

約数ペア:

[(1, 28796920), (2, 14398460), (4, 7199230), (5, 5759384), (8, 3599615), (10, 2879692), (20, 1439846), (23, 1252040), (40, 719923), (46, 626020), (92, 313010), (113, 254840), (115, 250408), (184, 156505), (226, 127420), (230, 125204), (277, 103960), (452, 63710), (460, 62602), (554, 51980), (565, 50968), (904, 31855), (920, 31301), (1108, 25990), (1130, 25484), (1385, 20792), (2216, 12995), (2260, 12742), (2599, 11080), (2770, 10396), (4520, 6371), (5198, 5540)]