39816920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6961}}^1$

素因数の和:6996

約数の個数: 64

約数和(自身を含む): 105265440

約数和(自身を除く): 65448520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 6961, 13922, 27844, 34805, 55688, 69610, 76571, 90493, 139220, 153142, 180986, 278440, 306284, 361972, 382855, 452465, 612568, 723944, 765710, 904930, 995423, 1531420, 1809860, 1990846, 3062840, 3619720, 3981692, 4977115, 7963384, 9954230, 19908460, 39816920]

約数ペア:

[(1, 39816920), (2, 19908460), (4, 9954230), (5, 7963384), (8, 4977115), (10, 3981692), (11, 3619720), (13, 3062840), (20, 1990846), (22, 1809860), (26, 1531420), (40, 995423), (44, 904930), (52, 765710), (55, 723944), (65, 612568), (88, 452465), (104, 382855), (110, 361972), (130, 306284), (143, 278440), (220, 180986), (260, 153142), (286, 139220), (440, 90493), (520, 76571), (572, 69610), (715, 55688), (1144, 34805), (1430, 27844), (2860, 13922), (5720, 6961)]