82543760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 208528320

約数和(自身を除く): 125984560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 571, 695, 1040, 1112, 1142, 1390, 1807, 2224, 2284, 2780, 2855, 3614, 4568, 5560, 5710, 7228, 7423, 9035, 9136, 11120, 11420, 14456, 14846, 18070, 22840, 28912, 29692, 36140, 37115, 45680, 59384, 72280, 74230, 79369, 118768, 144560, 148460, 158738, 296920, 317476, 396845, 593840, 634952, 793690, 1031797, 1269904, 1587380, 2063594, 3174760, 4127188, 5158985, 6349520, 8254376, 10317970, 16508752, 20635940, 41271880, 82543760]

約数ペア:

[(1, 82543760), (2, 41271880), (4, 20635940), (5, 16508752), (8, 10317970), (10, 8254376), (13, 6349520), (16, 5158985), (20, 4127188), (26, 3174760), (40, 2063594), (52, 1587380), (65, 1269904), (80, 1031797), (104, 793690), (130, 634952), (139, 593840), (208, 396845), (260, 317476), (278, 296920), (520, 158738), (556, 148460), (571, 144560), (695, 118768), (1040, 79369), (1112, 74230), (1142, 72280), (1390, 59384), (1807, 45680), (2224, 37115), (2284, 36140), (2780, 29692), (2855, 28912), (3614, 22840), (4568, 18070), (5560, 14846), (5710, 14456), (7228, 11420), (7423, 11120), (9035, 9136)]