40123820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 100396800

約数和(自身を除く): 60272980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 190, 209, 220, 290, 319, 331, 380, 418, 551, 580, 638, 662, 836, 1045, 1102, 1276, 1324, 1595, 1655, 2090, 2204, 2755, 3190, 3310, 3641, 4180, 5510, 6061, 6289, 6380, 6620, 7282, 9599, 11020, 12122, 12578, 14564, 18205, 19198, 24244, 25156, 30305, 31445, 36410, 38396, 47995, 60610, 62890, 69179, 72820, 95990, 105589, 121220, 125780, 138358, 182381, 191980, 211178, 276716, 345895, 364762, 422356, 527945, 691790, 729524, 911905, 1055890, 1383580, 1823810, 2006191, 2111780, 3647620, 4012382, 8024764, 10030955, 20061910, 40123820]

約数ペア:

[(1, 40123820), (2, 20061910), (4, 10030955), (5, 8024764), (10, 4012382), (11, 3647620), (19, 2111780), (20, 2006191), (22, 1823810), (29, 1383580), (38, 1055890), (44, 911905), (55, 729524), (58, 691790), (76, 527945), (95, 422356), (110, 364762), (116, 345895), (145, 276716), (190, 211178), (209, 191980), (220, 182381), (290, 138358), (319, 125780), (331, 121220), (380, 105589), (418, 95990), (551, 72820), (580, 69179), (638, 62890), (662, 60610), (836, 47995), (1045, 38396), (1102, 36410), (1276, 31445), (1324, 30305), (1595, 25156), (1655, 24244), (2090, 19198), (2204, 18205), (2755, 14564), (3190, 12578), (3310, 12122), (3641, 11020), (4180, 9599), (5510, 7282), (6061, 6620), (6289, 6380)]