205125040

素因数分解:

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

素因数の和:227

約数の個数: 120

約数和(自身を含む): 515935728

約数和(自身を除く): 310810688

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, 529, 592, 655, 740, 851, 920, 1048, 1058, 1310, 1480, 1702, 1840, 2096, 2116, 2620, 2645, 2960, 3013, 3404, 4232, 4255, 4847, 5240, 5290, 6026, 6808, 8464, 8510, 9694, 10480, 10580, 12052, 13616, 15065, 17020, 19388, 19573, 21160, 24104, 24235, 30130, 34040, 38776, 39146, 42320, 48208, 48470, 60260, 68080, 69299, 77552, 78292, 96940, 97865, 111481, 120520, 138598, 156584, 193880, 195730, 222962, 241040, 277196, 313168, 346495, 387760, 391460, 445924, 554392, 557405, 692990, 782920, 891848, 1108784, 1114810, 1385980, 1565840, 1783696, 2229620, 2564063, 2771960, 4459240, 5128126, 5543920, 8918480, 10256252, 12820315, 20512504, 25640630, 41025008, 51281260, 102562520, 205125040]

約数ペア:

[(1, 205125040), (2, 102562520), (4, 51281260), (5, 41025008), (8, 25640630), (10, 20512504), (16, 12820315), (20, 10256252), (23, 8918480), (37, 5543920), (40, 5128126), (46, 4459240), (74, 2771960), (80, 2564063), (92, 2229620), (115, 1783696), (131, 1565840), (148, 1385980), (184, 1114810), (185, 1108784), (230, 891848), (262, 782920), (296, 692990), (368, 557405), (370, 554392), (460, 445924), (524, 391460), (529, 387760), (592, 346495), (655, 313168), (740, 277196), (851, 241040), (920, 222962), (1048, 195730), (1058, 193880), (1310, 156584), (1480, 138598), (1702, 120520), (1840, 111481), (2096, 97865), (2116, 96940), (2620, 78292), (2645, 77552), (2960, 69299), (3013, 68080), (3404, 60260), (4232, 48470), (4255, 48208), (4847, 42320), (5240, 39146), (5290, 38776), (6026, 34040), (6808, 30130), (8464, 24235), (8510, 24104), (9694, 21160), (10480, 19573), (10580, 19388), (12052, 17020), (13616, 15065)]