406228960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81901}}^1$

素因数の和:81947

約数の個数: 48

約数和(自身を含む): 990686592

約数和(自身を除く): 584457632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 81901, 163802, 327604, 409505, 655208, 819010, 1310416, 1638020, 2538931, 2620832, 3276040, 5077862, 6552080, 10155724, 12694655, 13104160, 20311448, 25389310, 40622896, 50778620, 81245792, 101557240, 203114480, 406228960]

約数ペア:

[(1, 406228960), (2, 203114480), (4, 101557240), (5, 81245792), (8, 50778620), (10, 40622896), (16, 25389310), (20, 20311448), (31, 13104160), (32, 12694655), (40, 10155724), (62, 6552080), (80, 5077862), (124, 3276040), (155, 2620832), (160, 2538931), (248, 1638020), (310, 1310416), (496, 819010), (620, 655208), (992, 409505), (1240, 327604), (2480, 163802), (4960, 81901)]