78802480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57943}}^1$

素因数の和:57973

約数の個数: 40

約数和(自身を含む): 193996512

約数和(自身を除く): 115194032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57943, 115886, 231772, 289715, 463544, 579430, 927088, 985031, 1158860, 1970062, 2317720, 3940124, 4635440, 4925155, 7880248, 9850310, 15760496, 19700620, 39401240, 78802480]

約数ペア:

[(1, 78802480), (2, 39401240), (4, 19700620), (5, 15760496), (8, 9850310), (10, 7880248), (16, 4925155), (17, 4635440), (20, 3940124), (34, 2317720), (40, 1970062), (68, 1158860), (80, 985031), (85, 927088), (136, 579430), (170, 463544), (272, 289715), (340, 231772), (680, 115886), (1360, 57943)]