47940880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 123992064

約数和(自身を除く): 76051184

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, 1487, 1612, 2015, 2480, 2974, 3224, 4030, 5948, 6448, 7435, 8060, 11896, 14870, 16120, 19331, 23792, 29740, 32240, 38662, 46097, 59480, 77324, 92194, 96655, 118960, 154648, 184388, 193310, 230485, 309296, 368776, 386620, 460970, 599261, 737552, 773240, 921940, 1198522, 1546480, 1843880, 2397044, 2996305, 3687760, 4794088, 5992610, 9588176, 11985220, 23970440, 47940880]

約数ペア:

[(1, 47940880), (2, 23970440), (4, 11985220), (5, 9588176), (8, 5992610), (10, 4794088), (13, 3687760), (16, 2996305), (20, 2397044), (26, 1843880), (31, 1546480), (40, 1198522), (52, 921940), (62, 773240), (65, 737552), (80, 599261), (104, 460970), (124, 386620), (130, 368776), (155, 309296), (208, 230485), (248, 193310), (260, 184388), (310, 154648), (403, 118960), (496, 96655), (520, 92194), (620, 77324), (806, 59480), (1040, 46097), (1240, 38662), (1487, 32240), (1612, 29740), (2015, 23792), (2480, 19331), (2974, 16120), (3224, 14870), (4030, 11896), (5948, 8060), (6448, 7435)]