81714400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4441}}^1$

素因数の和:4484

約数の個数: 72

約数和(自身を含む): 208205424

約数和(自身を除く): 126491024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1150, 1840, 2300, 3680, 4441, 4600, 8882, 9200, 17764, 18400, 22205, 35528, 44410, 71056, 88820, 102143, 111025, 142112, 177640, 204286, 222050, 355280, 408572, 444100, 510715, 710560, 817144, 888200, 1021430, 1634288, 1776400, 2042860, 2553575, 3268576, 3552800, 4085720, 5107150, 8171440, 10214300, 16342880, 20428600, 40857200, 81714400]

約数ペア:

[(1, 81714400), (2, 40857200), (4, 20428600), (5, 16342880), (8, 10214300), (10, 8171440), (16, 5107150), (20, 4085720), (23, 3552800), (25, 3268576), (32, 2553575), (40, 2042860), (46, 1776400), (50, 1634288), (80, 1021430), (92, 888200), (100, 817144), (115, 710560), (160, 510715), (184, 444100), (200, 408572), (230, 355280), (368, 222050), (400, 204286), (460, 177640), (575, 142112), (736, 111025), (800, 102143), (920, 88820), (1150, 71056), (1840, 44410), (2300, 35528), (3680, 22205), (4441, 18400), (4600, 17764), (8882, 9200)]