40865020

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 107289504

約数和(自身を除く): 66424484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 49, 70, 74, 92, 98, 115, 140, 148, 161, 185, 196, 230, 245, 259, 322, 343, 370, 460, 490, 518, 644, 686, 740, 805, 851, 980, 1036, 1127, 1295, 1372, 1610, 1702, 1715, 1813, 2254, 2401, 2590, 3220, 3404, 3430, 3626, 4255, 4508, 4802, 5180, 5635, 5957, 6860, 7252, 7889, 8510, 9065, 9604, 11270, 11914, 12005, 12691, 15778, 17020, 18130, 22540, 23828, 24010, 25382, 29785, 31556, 36260, 39445, 41699, 48020, 50764, 55223, 59570, 63455, 78890, 83398, 88837, 110446, 119140, 126910, 157780, 166796, 177674, 208495, 220892, 253820, 276115, 291893, 355348, 416990, 444185, 552230, 583786, 833980, 888370, 1104460, 1167572, 1459465, 1776740, 2043251, 2918930, 4086502, 5837860, 8173004, 10216255, 20432510, 40865020]

約数ペア:

[(1, 40865020), (2, 20432510), (4, 10216255), (5, 8173004), (7, 5837860), (10, 4086502), (14, 2918930), (20, 2043251), (23, 1776740), (28, 1459465), (35, 1167572), (37, 1104460), (46, 888370), (49, 833980), (70, 583786), (74, 552230), (92, 444185), (98, 416990), (115, 355348), (140, 291893), (148, 276115), (161, 253820), (185, 220892), (196, 208495), (230, 177674), (245, 166796), (259, 157780), (322, 126910), (343, 119140), (370, 110446), (460, 88837), (490, 83398), (518, 78890), (644, 63455), (686, 59570), (740, 55223), (805, 50764), (851, 48020), (980, 41699), (1036, 39445), (1127, 36260), (1295, 31556), (1372, 29785), (1610, 25382), (1702, 24010), (1715, 23828), (1813, 22540), (2254, 18130), (2401, 17020), (2590, 15778), (3220, 12691), (3404, 12005), (3430, 11914), (3626, 11270), (4255, 9604), (4508, 9065), (4802, 8510), (5180, 7889), (5635, 7252), (5957, 6860)]