40021488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21379}}^1$

素因数の和:21406

約数の個数: 60

約数和(自身を含む): 120625960

約数和(自身を除く): 80604472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 21379, 42758, 64137, 85516, 128274, 171032, 192411, 256548, 277927, 342064, 384822, 513096, 555854, 769644, 833781, 1026192, 1111708, 1539288, 1667562, 2223416, 2501343, 3078576, 3335124, 4446832, 5002686, 6670248, 10005372, 13340496, 20010744, 40021488]

約数ペア:

[(1, 40021488), (2, 20010744), (3, 13340496), (4, 10005372), (6, 6670248), (8, 5002686), (9, 4446832), (12, 3335124), (13, 3078576), (16, 2501343), (18, 2223416), (24, 1667562), (26, 1539288), (36, 1111708), (39, 1026192), (48, 833781), (52, 769644), (72, 555854), (78, 513096), (104, 384822), (117, 342064), (144, 277927), (156, 256548), (208, 192411), (234, 171032), (312, 128274), (468, 85516), (624, 64137), (936, 42758), (1872, 21379)]