49288720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 125116992

約数和(自身を除く): 75828272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 520, 571, 664, 830, 1040, 1079, 1142, 1328, 1660, 2158, 2284, 2855, 3320, 4316, 4568, 5395, 5710, 6640, 7423, 8632, 9136, 10790, 11420, 14846, 17264, 21580, 22840, 29692, 37115, 43160, 45680, 47393, 59384, 74230, 86320, 94786, 118768, 148460, 189572, 236965, 296920, 379144, 473930, 593840, 616109, 758288, 947860, 1232218, 1895720, 2464436, 3080545, 3791440, 4928872, 6161090, 9857744, 12322180, 24644360, 49288720]

約数ペア:

[(1, 49288720), (2, 24644360), (4, 12322180), (5, 9857744), (8, 6161090), (10, 4928872), (13, 3791440), (16, 3080545), (20, 2464436), (26, 1895720), (40, 1232218), (52, 947860), (65, 758288), (80, 616109), (83, 593840), (104, 473930), (130, 379144), (166, 296920), (208, 236965), (260, 189572), (332, 148460), (415, 118768), (520, 94786), (571, 86320), (664, 74230), (830, 59384), (1040, 47393), (1079, 45680), (1142, 43160), (1328, 37115), (1660, 29692), (2158, 22840), (2284, 21580), (2855, 17264), (3320, 14846), (4316, 11420), (4568, 10790), (5395, 9136), (5710, 8632), (6640, 7423)]