28876120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7933}}^1$

素因数の和:7964

約数の個数: 64

約数和(自身を含む): 79974720

約数和(自身を除く): 51098600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7933, 15866, 31732, 39665, 55531, 63464, 79330, 103129, 111062, 158660, 206258, 222124, 277655, 317320, 412516, 444248, 515645, 555310, 721903, 825032, 1031290, 1110620, 1443806, 2062580, 2221240, 2887612, 3609515, 4125160, 5775224, 7219030, 14438060, 28876120]

約数ペア:

[(1, 28876120), (2, 14438060), (4, 7219030), (5, 5775224), (7, 4125160), (8, 3609515), (10, 2887612), (13, 2221240), (14, 2062580), (20, 1443806), (26, 1110620), (28, 1031290), (35, 825032), (40, 721903), (52, 555310), (56, 515645), (65, 444248), (70, 412516), (91, 317320), (104, 277655), (130, 222124), (140, 206258), (182, 158660), (260, 111062), (280, 103129), (364, 79330), (455, 63464), (520, 55531), (728, 39665), (910, 31732), (1820, 15866), (3640, 7933)]