65865020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 159936000

約数和(自身を除く): 94070980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 67, 76, 95, 130, 134, 190, 199, 247, 260, 268, 335, 380, 398, 494, 670, 796, 871, 988, 995, 1235, 1273, 1340, 1742, 1990, 2470, 2546, 2587, 3484, 3781, 3980, 4355, 4940, 5092, 5174, 6365, 7562, 8710, 10348, 12730, 12935, 13333, 15124, 16549, 17420, 18905, 25460, 25870, 26666, 33098, 37810, 49153, 51740, 53332, 66196, 66665, 75620, 82745, 98306, 133330, 165490, 173329, 196612, 245765, 253327, 266660, 330980, 346658, 491530, 506654, 693316, 866645, 983060, 1013308, 1266635, 1733290, 2533270, 3293251, 3466580, 5066540, 6586502, 13173004, 16466255, 32932510, 65865020]

約数ペア:

[(1, 65865020), (2, 32932510), (4, 16466255), (5, 13173004), (10, 6586502), (13, 5066540), (19, 3466580), (20, 3293251), (26, 2533270), (38, 1733290), (52, 1266635), (65, 1013308), (67, 983060), (76, 866645), (95, 693316), (130, 506654), (134, 491530), (190, 346658), (199, 330980), (247, 266660), (260, 253327), (268, 245765), (335, 196612), (380, 173329), (398, 165490), (494, 133330), (670, 98306), (796, 82745), (871, 75620), (988, 66665), (995, 66196), (1235, 53332), (1273, 51740), (1340, 49153), (1742, 37810), (1990, 33098), (2470, 26666), (2546, 25870), (2587, 25460), (3484, 18905), (3781, 17420), (3980, 16549), (4355, 15124), (4940, 13333), (5092, 12935), (5174, 12730), (6365, 10348), (7562, 8710)]