49951760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 124545600

約数和(自身を除く): 74593840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 557, 590, 760, 944, 1114, 1121, 1180, 1520, 2228, 2242, 2360, 2785, 4456, 4484, 4720, 5570, 5605, 8912, 8968, 10583, 11140, 11210, 17936, 21166, 22280, 22420, 32863, 42332, 44560, 44840, 52915, 65726, 84664, 89680, 105830, 131452, 164315, 169328, 211660, 262904, 328630, 423320, 525808, 624397, 657260, 846640, 1248794, 1314520, 2497588, 2629040, 3121985, 4995176, 6243970, 9990352, 12487940, 24975880, 49951760]

約数ペア:

[(1, 49951760), (2, 24975880), (4, 12487940), (5, 9990352), (8, 6243970), (10, 4995176), (16, 3121985), (19, 2629040), (20, 2497588), (38, 1314520), (40, 1248794), (59, 846640), (76, 657260), (80, 624397), (95, 525808), (118, 423320), (152, 328630), (190, 262904), (236, 211660), (295, 169328), (304, 164315), (380, 131452), (472, 105830), (557, 89680), (590, 84664), (760, 65726), (944, 52915), (1114, 44840), (1121, 44560), (1180, 42332), (1520, 32863), (2228, 22420), (2242, 22280), (2360, 21166), (2785, 17936), (4456, 11210), (4484, 11140), (4720, 10583), (5570, 8968), (5605, 8912)]