28613720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 70567200

約数和(自身を除く): 41953480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1451, 1972, 2465, 2902, 3944, 4930, 5804, 7255, 9860, 11608, 14510, 19720, 24667, 29020, 42079, 49334, 58040, 84158, 98668, 123335, 168316, 197336, 210395, 246670, 336632, 420790, 493340, 715343, 841580, 986680, 1430686, 1683160, 2861372, 3576715, 5722744, 7153430, 14306860, 28613720]

約数ペア:

[(1, 28613720), (2, 14306860), (4, 7153430), (5, 5722744), (8, 3576715), (10, 2861372), (17, 1683160), (20, 1430686), (29, 986680), (34, 841580), (40, 715343), (58, 493340), (68, 420790), (85, 336632), (116, 246670), (136, 210395), (145, 197336), (170, 168316), (232, 123335), (290, 98668), (340, 84158), (493, 58040), (580, 49334), (680, 42079), (986, 29020), (1160, 24667), (1451, 19720), (1972, 14510), (2465, 11608), (2902, 9860), (3944, 7255), (4930, 5804)]