27585220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 66901464

約数和(自身を除く): 39316244

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 79, 85, 130, 158, 170, 221, 260, 316, 340, 395, 442, 790, 884, 1027, 1105, 1343, 1580, 2054, 2210, 2686, 4108, 4420, 5135, 5372, 6241, 6715, 10270, 12482, 13430, 17459, 20540, 24964, 26860, 31205, 34918, 62410, 69836, 81133, 87295, 106097, 124820, 162266, 174590, 212194, 324532, 349180, 405665, 424388, 530485, 811330, 1060970, 1379261, 1622660, 2121940, 2758522, 5517044, 6896305, 13792610, 27585220]

約数ペア:

[(1, 27585220), (2, 13792610), (4, 6896305), (5, 5517044), (10, 2758522), (13, 2121940), (17, 1622660), (20, 1379261), (26, 1060970), (34, 811330), (52, 530485), (65, 424388), (68, 405665), (79, 349180), (85, 324532), (130, 212194), (158, 174590), (170, 162266), (221, 124820), (260, 106097), (316, 87295), (340, 81133), (395, 69836), (442, 62410), (790, 34918), (884, 31205), (1027, 26860), (1105, 24964), (1343, 20540), (1580, 17459), (2054, 13430), (2210, 12482), (2686, 10270), (4108, 6715), (4420, 6241), (5135, 5372)]