39785980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 92232000

約数和(自身を除く): 52446020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 149, 158, 169, 260, 298, 316, 338, 395, 596, 676, 745, 790, 845, 1027, 1490, 1580, 1690, 1937, 2054, 2980, 3380, 3874, 4108, 5135, 7748, 9685, 10270, 11771, 13351, 19370, 20540, 23542, 25181, 26702, 38740, 47084, 50362, 53404, 58855, 66755, 100724, 117710, 125905, 133510, 153023, 235420, 251810, 267020, 306046, 503620, 612092, 765115, 1530230, 1989299, 3060460, 3978598, 7957196, 9946495, 19892990, 39785980]

約数ペア:

[(1, 39785980), (2, 19892990), (4, 9946495), (5, 7957196), (10, 3978598), (13, 3060460), (20, 1989299), (26, 1530230), (52, 765115), (65, 612092), (79, 503620), (130, 306046), (149, 267020), (158, 251810), (169, 235420), (260, 153023), (298, 133510), (316, 125905), (338, 117710), (395, 100724), (596, 66755), (676, 58855), (745, 53404), (790, 50362), (845, 47084), (1027, 38740), (1490, 26702), (1580, 25181), (1690, 23542), (1937, 20540), (2054, 19370), (2980, 13351), (3380, 11771), (3874, 10270), (4108, 9685), (5135, 7748)]