40007240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 114912000

約数和(自身を除く): 74904760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 260, 280, 290, 364, 377, 379, 406, 455, 520, 580, 728, 754, 758, 812, 910, 1015, 1160, 1508, 1516, 1624, 1820, 1885, 1895, 2030, 2639, 2653, 3016, 3032, 3640, 3770, 3790, 4060, 4927, 5278, 5306, 7540, 7580, 8120, 9854, 10556, 10612, 10991, 13195, 13265, 15080, 15160, 19708, 21112, 21224, 21982, 24635, 26390, 26530, 34489, 39416, 43964, 49270, 52780, 53060, 54955, 68978, 76937, 87928, 98540, 105560, 106120, 109910, 137956, 142883, 153874, 172445, 197080, 219820, 275912, 285766, 307748, 344890, 384685, 439640, 571532, 615496, 689780, 714415, 769370, 1000181, 1143064, 1379560, 1428830, 1538740, 2000362, 2857660, 3077480, 4000724, 5000905, 5715320, 8001448, 10001810, 20003620, 40007240]

約数ペア:

[(1, 40007240), (2, 20003620), (4, 10001810), (5, 8001448), (7, 5715320), (8, 5000905), (10, 4000724), (13, 3077480), (14, 2857660), (20, 2000362), (26, 1538740), (28, 1428830), (29, 1379560), (35, 1143064), (40, 1000181), (52, 769370), (56, 714415), (58, 689780), (65, 615496), (70, 571532), (91, 439640), (104, 384685), (116, 344890), (130, 307748), (140, 285766), (145, 275912), (182, 219820), (203, 197080), (232, 172445), (260, 153874), (280, 142883), (290, 137956), (364, 109910), (377, 106120), (379, 105560), (406, 98540), (455, 87928), (520, 76937), (580, 68978), (728, 54955), (754, 53060), (758, 52780), (812, 49270), (910, 43964), (1015, 39416), (1160, 34489), (1508, 26530), (1516, 26390), (1624, 24635), (1820, 21982), (1885, 21224), (1895, 21112), (2030, 19708), (2639, 15160), (2653, 15080), (3016, 13265), (3032, 13195), (3640, 10991), (3770, 10612), (3790, 10556), (4060, 9854), (4927, 8120), (5278, 7580), (5306, 7540)]