8918480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 22391424

約数和(自身を除く): 13472944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 131, 148, 184, 185, 230, 262, 296, 368, 370, 460, 524, 592, 655, 740, 851, 920, 1048, 1310, 1480, 1702, 1840, 2096, 2620, 2960, 3013, 3404, 4255, 4847, 5240, 6026, 6808, 8510, 9694, 10480, 12052, 13616, 15065, 17020, 19388, 24104, 24235, 30130, 34040, 38776, 48208, 48470, 60260, 68080, 77552, 96940, 111481, 120520, 193880, 222962, 241040, 387760, 445924, 557405, 891848, 1114810, 1783696, 2229620, 4459240, 8918480]

約数ペア:

[(1, 8918480), (2, 4459240), (4, 2229620), (5, 1783696), (8, 1114810), (10, 891848), (16, 557405), (20, 445924), (23, 387760), (37, 241040), (40, 222962), (46, 193880), (74, 120520), (80, 111481), (92, 96940), (115, 77552), (131, 68080), (148, 60260), (184, 48470), (185, 48208), (230, 38776), (262, 34040), (296, 30130), (368, 24235), (370, 24104), (460, 19388), (524, 17020), (592, 15065), (655, 13616), (740, 12052), (851, 10480), (920, 9694), (1048, 8510), (1310, 6808), (1480, 6026), (1702, 5240), (1840, 4847), (2096, 4255), (2620, 3404), (2960, 3013)]