8979880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2498

約数の個数: 64

約数和(自身を含む): 24877440

約数和(自身を除く): 15897560

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, 2467, 3640, 4934, 9868, 12335, 17269, 19736, 24670, 32071, 34538, 49340, 64142, 69076, 86345, 98680, 128284, 138152, 160355, 172690, 224497, 256568, 320710, 345380, 448994, 641420, 690760, 897988, 1122485, 1282840, 1795976, 2244970, 4489940, 8979880]

約数ペア:

[(1, 8979880), (2, 4489940), (4, 2244970), (5, 1795976), (7, 1282840), (8, 1122485), (10, 897988), (13, 690760), (14, 641420), (20, 448994), (26, 345380), (28, 320710), (35, 256568), (40, 224497), (52, 172690), (56, 160355), (65, 138152), (70, 128284), (91, 98680), (104, 86345), (130, 69076), (140, 64142), (182, 49340), (260, 34538), (280, 32071), (364, 24670), (455, 19736), (520, 17269), (728, 12335), (910, 9868), (1820, 4934), (2467, 3640)]