3972960920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{23813}}^1$

素因数の和:23964

約数の個数: 64

約数和(自身を含む): 9241737120

約数和(自身を除く): 5268776200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 97, 172, 194, 215, 344, 388, 430, 485, 776, 860, 970, 1720, 1940, 3880, 4171, 8342, 16684, 20855, 23813, 33368, 41710, 47626, 83420, 95252, 119065, 166840, 190504, 238130, 476260, 952520, 1023959, 2047918, 2309861, 4095836, 4619722, 5119795, 8191672, 9239444, 10239590, 11549305, 18478888, 20479180, 23098610, 40958360, 46197220, 92394440, 99324023, 198648046, 397296092, 496620115, 794592184, 993240230, 1986480460, 3972960920]

約数ペア:

[(1, 3972960920), (2, 1986480460), (4, 993240230), (5, 794592184), (8, 496620115), (10, 397296092), (20, 198648046), (40, 99324023), (43, 92394440), (86, 46197220), (97, 40958360), (172, 23098610), (194, 20479180), (215, 18478888), (344, 11549305), (388, 10239590), (430, 9239444), (485, 8191672), (776, 5119795), (860, 4619722), (970, 4095836), (1720, 2309861), (1940, 2047918), (3880, 1023959), (4171, 952520), (8342, 476260), (16684, 238130), (20855, 190504), (23813, 166840), (33368, 119065), (41710, 95252), (47626, 83420)]