208047040

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9157}}^1$

素因数の和:9245

約数の個数: 56

約数和(自身を含む): 502444512

約数和(自身を除く): 294397472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9157, 11360, 18314, 22720, 36628, 45785, 73256, 91570, 146512, 183140, 293024, 366280, 586048, 650147, 732560, 1300294, 1465120, 2600588, 2930240, 3250735, 5201176, 6501470, 10402352, 13002940, 20804704, 26005880, 41609408, 52011760, 104023520, 208047040]

約数ペア:

[(1, 208047040), (2, 104023520), (4, 52011760), (5, 41609408), (8, 26005880), (10, 20804704), (16, 13002940), (20, 10402352), (32, 6501470), (40, 5201176), (64, 3250735), (71, 2930240), (80, 2600588), (142, 1465120), (160, 1300294), (284, 732560), (320, 650147), (355, 586048), (568, 366280), (710, 293024), (1136, 183140), (1420, 146512), (2272, 91570), (2840, 73256), (4544, 45785), (5680, 36628), (9157, 22720), (11360, 18314)]