78420640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16901}}^1$

素因数の和:16945

約数の個数: 48

約数和(自身を含む): 191668680

約数和(自身を除く): 113248040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 16901, 33802, 67604, 84505, 135208, 169010, 270416, 338020, 490129, 540832, 676040, 980258, 1352080, 1960516, 2450645, 2704160, 3921032, 4901290, 7842064, 9802580, 15684128, 19605160, 39210320, 78420640]

約数ペア:

[(1, 78420640), (2, 39210320), (4, 19605160), (5, 15684128), (8, 9802580), (10, 7842064), (16, 4901290), (20, 3921032), (29, 2704160), (32, 2450645), (40, 1960516), (58, 1352080), (80, 980258), (116, 676040), (145, 540832), (160, 490129), (232, 338020), (290, 270416), (464, 169010), (580, 135208), (928, 84505), (1160, 67604), (2320, 33802), (4640, 16901)]