38321320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 89107200

約数和(自身を除く): 50785880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 181, 268, 316, 335, 362, 395, 536, 632, 670, 724, 790, 905, 1340, 1448, 1580, 1810, 2680, 3160, 3620, 5293, 7240, 10586, 12127, 14299, 21172, 24254, 26465, 28598, 42344, 48508, 52930, 57196, 60635, 71495, 97016, 105860, 114392, 121270, 142990, 211720, 242540, 285980, 485080, 571960, 958033, 1916066, 3832132, 4790165, 7664264, 9580330, 19160660, 38321320]

約数ペア:

[(1, 38321320), (2, 19160660), (4, 9580330), (5, 7664264), (8, 4790165), (10, 3832132), (20, 1916066), (40, 958033), (67, 571960), (79, 485080), (134, 285980), (158, 242540), (181, 211720), (268, 142990), (316, 121270), (335, 114392), (362, 105860), (395, 97016), (536, 71495), (632, 60635), (670, 57196), (724, 52930), (790, 48508), (905, 42344), (1340, 28598), (1448, 26465), (1580, 24254), (1810, 21172), (2680, 14299), (3160, 12127), (3620, 10586), (5293, 7240)]