81375190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 160088400

約数和(自身を除く): 78713210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 179, 269, 338, 358, 538, 845, 895, 1345, 1690, 1790, 2327, 2690, 3497, 4654, 6994, 11635, 17485, 23270, 30251, 34970, 45461, 48151, 60502, 90922, 96302, 151255, 227305, 240755, 302510, 454610, 481510, 625963, 1251926, 3129815, 6259630, 8137519, 16275038, 40687595, 81375190]

約数ペア:

[(1, 81375190), (2, 40687595), (5, 16275038), (10, 8137519), (13, 6259630), (26, 3129815), (65, 1251926), (130, 625963), (169, 481510), (179, 454610), (269, 302510), (338, 240755), (358, 227305), (538, 151255), (845, 96302), (895, 90922), (1345, 60502), (1690, 48151), (1790, 45461), (2327, 34970), (2690, 30251), (3497, 23270), (4654, 17485), (6994, 11635)]