27790750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 59439744

約数和(自身を除く): 31648994

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 503, 650, 850, 1006, 1105, 1625, 2125, 2210, 2515, 3250, 4250, 5030, 5525, 6539, 8551, 11050, 12575, 13078, 17102, 25150, 27625, 32695, 42755, 55250, 62875, 65390, 85510, 111163, 125750, 163475, 213775, 222326, 326950, 427550, 555815, 817375, 1068875, 1111630, 1634750, 2137750, 2779075, 5558150, 13895375, 27790750]

約数ペア:

[(1, 27790750), (2, 13895375), (5, 5558150), (10, 2779075), (13, 2137750), (17, 1634750), (25, 1111630), (26, 1068875), (34, 817375), (50, 555815), (65, 427550), (85, 326950), (125, 222326), (130, 213775), (170, 163475), (221, 125750), (250, 111163), (325, 85510), (425, 65390), (442, 62875), (503, 55250), (650, 42755), (850, 32695), (1006, 27625), (1105, 25150), (1625, 17102), (2125, 13078), (2210, 12575), (2515, 11050), (3250, 8551), (4250, 6539), (5030, 5525)]