653900

素因数分解:

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

素因数の和:530

約数の個数: 36

約数和(自身を含む): 1531152

約数和(自身を除く): 877252

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 503, 650, 1006, 1300, 2012, 2515, 5030, 6539, 10060, 12575, 13078, 25150, 26156, 32695, 50300, 65390, 130780, 163475, 326950, 653900]

約数ペア:

[(1, 653900), (2, 326950), (4, 163475), (5, 130780), (10, 65390), (13, 50300), (20, 32695), (25, 26156), (26, 25150), (50, 13078), (52, 12575), (65, 10060), (100, 6539), (130, 5030), (260, 2515), (325, 2012), (503, 1300), (650, 1006)]