55143920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3119}}^1$

素因数の和:3162

約数の個数: 80

約数和(自身を含む): 146240640

約数和(自身を除く): 91096720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3119, 3536, 4420, 6238, 8840, 12476, 15595, 17680, 24952, 31190, 40547, 49904, 53023, 62380, 81094, 106046, 124760, 162188, 202735, 212092, 249520, 265115, 324376, 405470, 424184, 530230, 648752, 689299, 810940, 848368, 1060460, 1378598, 1621880, 2120920, 2757196, 3243760, 3446495, 4241840, 5514392, 6892990, 11028784, 13785980, 27571960, 55143920]

約数ペア:

[(1, 55143920), (2, 27571960), (4, 13785980), (5, 11028784), (8, 6892990), (10, 5514392), (13, 4241840), (16, 3446495), (17, 3243760), (20, 2757196), (26, 2120920), (34, 1621880), (40, 1378598), (52, 1060460), (65, 848368), (68, 810940), (80, 689299), (85, 648752), (104, 530230), (130, 424184), (136, 405470), (170, 324376), (208, 265115), (221, 249520), (260, 212092), (272, 202735), (340, 162188), (442, 124760), (520, 106046), (680, 81094), (884, 62380), (1040, 53023), (1105, 49904), (1360, 40547), (1768, 31190), (2210, 24952), (3119, 17680), (3536, 15595), (4420, 12476), (6238, 8840)]