65321840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 160275456

約数和(自身を除く): 94953616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 131, 184, 230, 262, 271, 368, 460, 524, 542, 655, 920, 1048, 1084, 1310, 1355, 1840, 2096, 2168, 2620, 2710, 3013, 4336, 5240, 5420, 6026, 6233, 10480, 10840, 12052, 12466, 15065, 21680, 24104, 24932, 30130, 31165, 35501, 48208, 49864, 60260, 62330, 71002, 99728, 120520, 124660, 142004, 177505, 241040, 249320, 284008, 355010, 498640, 568016, 710020, 816523, 1420040, 1633046, 2840080, 3266092, 4082615, 6532184, 8165230, 13064368, 16330460, 32660920, 65321840]

約数ペア:

[(1, 65321840), (2, 32660920), (4, 16330460), (5, 13064368), (8, 8165230), (10, 6532184), (16, 4082615), (20, 3266092), (23, 2840080), (40, 1633046), (46, 1420040), (80, 816523), (92, 710020), (115, 568016), (131, 498640), (184, 355010), (230, 284008), (262, 249320), (271, 241040), (368, 177505), (460, 142004), (524, 124660), (542, 120520), (655, 99728), (920, 71002), (1048, 62330), (1084, 60260), (1310, 49864), (1355, 48208), (1840, 35501), (2096, 31165), (2168, 30130), (2620, 24932), (2710, 24104), (3013, 21680), (4336, 15065), (5240, 12466), (5420, 12052), (6026, 10840), (6233, 10480)]