85415720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{593}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 208066320

約数和(自身を除く): 122650600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 520, 554, 593, 1108, 1186, 1385, 2216, 2372, 2770, 2965, 3601, 4744, 5540, 5930, 7202, 7709, 11080, 11860, 14404, 15418, 18005, 23720, 28808, 30836, 36010, 38545, 61672, 72020, 77090, 144040, 154180, 164261, 308360, 328522, 657044, 821305, 1314088, 1642610, 2135393, 3285220, 4270786, 6570440, 8541572, 10676965, 17083144, 21353930, 42707860, 85415720]

約数ペア:

[(1, 85415720), (2, 42707860), (4, 21353930), (5, 17083144), (8, 10676965), (10, 8541572), (13, 6570440), (20, 4270786), (26, 3285220), (40, 2135393), (52, 1642610), (65, 1314088), (104, 821305), (130, 657044), (260, 328522), (277, 308360), (520, 164261), (554, 154180), (593, 144040), (1108, 77090), (1186, 72020), (1385, 61672), (2216, 38545), (2372, 36010), (2770, 30836), (2965, 28808), (3601, 23720), (4744, 18005), (5540, 15418), (5930, 14404), (7202, 11860), (7709, 11080)]