85009840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 210843648

約数和(自身を除く): 125833808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 940, 983, 1081, 1840, 1880, 1966, 2162, 3760, 3932, 4324, 4915, 5405, 7864, 8648, 9830, 10810, 15728, 17296, 19660, 21620, 22609, 39320, 43240, 45218, 46201, 78640, 86480, 90436, 92402, 113045, 180872, 184804, 226090, 231005, 361744, 369608, 452180, 462010, 739216, 904360, 924020, 1062623, 1808720, 1848040, 2125246, 3696080, 4250492, 5313115, 8500984, 10626230, 17001968, 21252460, 42504920, 85009840]

約数ペア:

[(1, 85009840), (2, 42504920), (4, 21252460), (5, 17001968), (8, 10626230), (10, 8500984), (16, 5313115), (20, 4250492), (23, 3696080), (40, 2125246), (46, 1848040), (47, 1808720), (80, 1062623), (92, 924020), (94, 904360), (115, 739216), (184, 462010), (188, 452180), (230, 369608), (235, 361744), (368, 231005), (376, 226090), (460, 184804), (470, 180872), (752, 113045), (920, 92402), (940, 90436), (983, 86480), (1081, 78640), (1840, 46201), (1880, 45218), (1966, 43240), (2162, 39320), (3760, 22609), (3932, 21620), (4324, 19660), (4915, 17296), (5405, 15728), (7864, 10810), (8648, 9830)]