13188640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2659}}^1$

素因数の和:2705

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 18986720

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, 2659, 4960, 5318, 10636, 13295, 21272, 26590, 42544, 53180, 82429, 85088, 106360, 164858, 212720, 329716, 412145, 425440, 659432, 824290, 1318864, 1648580, 2637728, 3297160, 6594320, 13188640]

約数ペア:

[(1, 13188640), (2, 6594320), (4, 3297160), (5, 2637728), (8, 1648580), (10, 1318864), (16, 824290), (20, 659432), (31, 425440), (32, 412145), (40, 329716), (62, 212720), (80, 164858), (124, 106360), (155, 85088), (160, 82429), (248, 53180), (310, 42544), (496, 26590), (620, 21272), (992, 13295), (1240, 10636), (2480, 5318), (2659, 4960)]