28047280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 70870464

約数和(自身を除く): 42823184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 503, 656, 680, 697, 820, 1006, 1360, 1394, 1640, 2012, 2515, 2788, 3280, 3485, 4024, 5030, 5576, 6970, 8048, 8551, 10060, 11152, 13940, 17102, 20120, 20623, 27880, 34204, 40240, 41246, 42755, 55760, 68408, 82492, 85510, 103115, 136816, 164984, 171020, 206230, 329968, 342040, 350591, 412460, 684080, 701182, 824920, 1402364, 1649840, 1752955, 2804728, 3505910, 5609456, 7011820, 14023640, 28047280]

約数ペア:

[(1, 28047280), (2, 14023640), (4, 7011820), (5, 5609456), (8, 3505910), (10, 2804728), (16, 1752955), (17, 1649840), (20, 1402364), (34, 824920), (40, 701182), (41, 684080), (68, 412460), (80, 350591), (82, 342040), (85, 329968), (136, 206230), (164, 171020), (170, 164984), (205, 136816), (272, 103115), (328, 85510), (340, 82492), (410, 68408), (503, 55760), (656, 42755), (680, 41246), (697, 40240), (820, 34204), (1006, 27880), (1360, 20623), (1394, 20120), (1640, 17102), (2012, 13940), (2515, 11152), (2788, 10060), (3280, 8551), (3485, 8048), (4024, 6970), (5030, 5576)]