25338040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6961}}^1$

素因数の和:6992

約数の個数: 64

約数和(自身を含む): 70176960

約数和(自身を除く): 44838920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 6961, 13922, 27844, 34805, 48727, 55688, 69610, 90493, 97454, 139220, 180986, 194908, 243635, 278440, 361972, 389816, 452465, 487270, 633451, 723944, 904930, 974540, 1266902, 1809860, 1949080, 2533804, 3167255, 3619720, 5067608, 6334510, 12669020, 25338040]

約数ペア:

[(1, 25338040), (2, 12669020), (4, 6334510), (5, 5067608), (7, 3619720), (8, 3167255), (10, 2533804), (13, 1949080), (14, 1809860), (20, 1266902), (26, 974540), (28, 904930), (35, 723944), (40, 633451), (52, 487270), (56, 452465), (65, 389816), (70, 361972), (91, 278440), (104, 243635), (130, 194908), (140, 180986), (182, 139220), (260, 97454), (280, 90493), (364, 69610), (455, 55688), (520, 48727), (728, 34805), (910, 27844), (1820, 13922), (3640, 6961)]