26223860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 63180600

約数和(自身を除く): 36956740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 349, 442, 578, 698, 884, 1105, 1156, 1396, 1445, 1745, 2210, 2890, 3490, 3757, 4420, 4537, 5780, 5933, 6980, 7514, 9074, 11866, 15028, 18148, 18785, 22685, 23732, 29665, 37570, 45370, 59330, 75140, 77129, 90740, 100861, 118660, 154258, 201722, 308516, 385645, 403444, 504305, 771290, 1008610, 1311193, 1542580, 2017220, 2622386, 5244772, 6555965, 13111930, 26223860]

約数ペア:

[(1, 26223860), (2, 13111930), (4, 6555965), (5, 5244772), (10, 2622386), (13, 2017220), (17, 1542580), (20, 1311193), (26, 1008610), (34, 771290), (52, 504305), (65, 403444), (68, 385645), (85, 308516), (130, 201722), (170, 154258), (221, 118660), (260, 100861), (289, 90740), (340, 77129), (349, 75140), (442, 59330), (578, 45370), (698, 37570), (884, 29665), (1105, 23732), (1156, 22685), (1396, 18785), (1445, 18148), (1745, 15028), (2210, 11866), (2890, 9074), (3490, 7514), (3757, 6980), (4420, 5933), (4537, 5780)]