25271220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 77051520

約数和(自身を除く): 51780300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 179, 181, 195, 260, 358, 362, 390, 537, 543, 716, 724, 780, 895, 905, 1074, 1086, 1790, 1810, 2148, 2172, 2327, 2353, 2685, 2715, 3580, 3620, 4654, 4706, 5370, 5430, 6981, 7059, 9308, 9412, 10740, 10860, 11635, 11765, 13962, 14118, 23270, 23530, 27924, 28236, 32399, 34905, 35295, 46540, 47060, 64798, 69810, 70590, 97197, 129596, 139620, 141180, 161995, 194394, 323990, 388788, 421187, 485985, 647980, 842374, 971970, 1263561, 1684748, 1943940, 2105935, 2527122, 4211870, 5054244, 6317805, 8423740, 12635610, 25271220]

約数ペア:

[(1, 25271220), (2, 12635610), (3, 8423740), (4, 6317805), (5, 5054244), (6, 4211870), (10, 2527122), (12, 2105935), (13, 1943940), (15, 1684748), (20, 1263561), (26, 971970), (30, 842374), (39, 647980), (52, 485985), (60, 421187), (65, 388788), (78, 323990), (130, 194394), (156, 161995), (179, 141180), (181, 139620), (195, 129596), (260, 97197), (358, 70590), (362, 69810), (390, 64798), (537, 47060), (543, 46540), (716, 35295), (724, 34905), (780, 32399), (895, 28236), (905, 27924), (1074, 23530), (1086, 23270), (1790, 14118), (1810, 13962), (2148, 11765), (2172, 11635), (2327, 10860), (2353, 10740), (2685, 9412), (2715, 9308), (3580, 7059), (3620, 6981), (4654, 5430), (4706, 5370)]