65410280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{125789}}^1$

素因数の和:125813

約数の個数: 32

約数和(自身を含む): 158495400

約数和(自身を除く): 93085120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 125789, 251578, 503156, 628945, 1006312, 1257890, 1635257, 2515780, 3270514, 5031560, 6541028, 8176285, 13082056, 16352570, 32705140, 65410280]

約数ペア:

[(1, 65410280), (2, 32705140), (4, 16352570), (5, 13082056), (8, 8176285), (10, 6541028), (13, 5031560), (20, 3270514), (26, 2515780), (40, 1635257), (52, 1257890), (65, 1006312), (104, 628945), (130, 503156), (260, 251578), (520, 125789)]