9889360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 25529616

約数和(自身を除く): 15640256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 257, 260, 296, 370, 481, 514, 520, 592, 740, 962, 1028, 1040, 1285, 1480, 1924, 2056, 2405, 2570, 2960, 3341, 3848, 4112, 4810, 5140, 6682, 7696, 9509, 9620, 10280, 13364, 16705, 19018, 19240, 20560, 26728, 33410, 38036, 38480, 47545, 53456, 66820, 76072, 95090, 123617, 133640, 152144, 190180, 247234, 267280, 380360, 494468, 618085, 760720, 988936, 1236170, 1977872, 2472340, 4944680, 9889360]

約数ペア:

[(1, 9889360), (2, 4944680), (4, 2472340), (5, 1977872), (8, 1236170), (10, 988936), (13, 760720), (16, 618085), (20, 494468), (26, 380360), (37, 267280), (40, 247234), (52, 190180), (65, 152144), (74, 133640), (80, 123617), (104, 95090), (130, 76072), (148, 66820), (185, 53456), (208, 47545), (257, 38480), (260, 38036), (296, 33410), (370, 26728), (481, 20560), (514, 19240), (520, 19018), (592, 16705), (740, 13364), (962, 10280), (1028, 9620), (1040, 9509), (1285, 7696), (1480, 6682), (1924, 5140), (2056, 4810), (2405, 4112), (2570, 3848), (2960, 3341)]