4504240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 11624256

約数和(自身を除く): 7120016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 71, 80, 104, 122, 130, 142, 208, 244, 260, 284, 305, 355, 488, 520, 568, 610, 710, 793, 923, 976, 1040, 1136, 1220, 1420, 1586, 1846, 2440, 2840, 3172, 3692, 3965, 4331, 4615, 4880, 5680, 6344, 7384, 7930, 8662, 9230, 12688, 14768, 15860, 17324, 18460, 21655, 31720, 34648, 36920, 43310, 56303, 63440, 69296, 73840, 86620, 112606, 173240, 225212, 281515, 346480, 450424, 563030, 900848, 1126060, 2252120, 4504240]

約数ペア:

[(1, 4504240), (2, 2252120), (4, 1126060), (5, 900848), (8, 563030), (10, 450424), (13, 346480), (16, 281515), (20, 225212), (26, 173240), (40, 112606), (52, 86620), (61, 73840), (65, 69296), (71, 63440), (80, 56303), (104, 43310), (122, 36920), (130, 34648), (142, 31720), (208, 21655), (244, 18460), (260, 17324), (284, 15860), (305, 14768), (355, 12688), (488, 9230), (520, 8662), (568, 7930), (610, 7384), (710, 6344), (793, 5680), (923, 4880), (976, 4615), (1040, 4331), (1136, 3965), (1220, 3692), (1420, 3172), (1586, 2840), (1846, 2440)]