825095440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2551}}^1$

素因数の和:2888

約数の個数: 80

約数和(自身を含む): 2073367296

約数和(自身を除く): 1248271856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 311, 520, 622, 1040, 1244, 1555, 2488, 2551, 3110, 4043, 4976, 5102, 6220, 8086, 10204, 12440, 12755, 16172, 20215, 20408, 24880, 25510, 32344, 33163, 40430, 40816, 51020, 64688, 66326, 80860, 102040, 132652, 161720, 165815, 204080, 265304, 323440, 331630, 530608, 663260, 793361, 1326520, 1586722, 2653040, 3173444, 3966805, 6346888, 7933610, 10313693, 12693776, 15867220, 20627386, 31734440, 41254772, 51568465, 63468880, 82509544, 103136930, 165019088, 206273860, 412547720, 825095440]

約数ペア:

[(1, 825095440), (2, 412547720), (4, 206273860), (5, 165019088), (8, 103136930), (10, 82509544), (13, 63468880), (16, 51568465), (20, 41254772), (26, 31734440), (40, 20627386), (52, 15867220), (65, 12693776), (80, 10313693), (104, 7933610), (130, 6346888), (208, 3966805), (260, 3173444), (311, 2653040), (520, 1586722), (622, 1326520), (1040, 793361), (1244, 663260), (1555, 530608), (2488, 331630), (2551, 323440), (3110, 265304), (4043, 204080), (4976, 165815), (5102, 161720), (6220, 132652), (8086, 102040), (10204, 80860), (12440, 66326), (12755, 64688), (16172, 51020), (20215, 40816), (20408, 40430), (24880, 33163), (25510, 32344)]