3892720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 10311840

約数和(自身を除く): 6419120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 197, 208, 247, 260, 304, 380, 394, 494, 520, 760, 788, 985, 988, 1040, 1235, 1520, 1576, 1970, 1976, 2470, 2561, 3152, 3743, 3940, 3952, 4940, 5122, 7486, 7880, 9880, 10244, 12805, 14972, 15760, 18715, 19760, 20488, 25610, 29944, 37430, 40976, 48659, 51220, 59888, 74860, 97318, 102440, 149720, 194636, 204880, 243295, 299440, 389272, 486590, 778544, 973180, 1946360, 3892720]

約数ペア:

[(1, 3892720), (2, 1946360), (4, 973180), (5, 778544), (8, 486590), (10, 389272), (13, 299440), (16, 243295), (19, 204880), (20, 194636), (26, 149720), (38, 102440), (40, 97318), (52, 74860), (65, 59888), (76, 51220), (80, 48659), (95, 40976), (104, 37430), (130, 29944), (152, 25610), (190, 20488), (197, 19760), (208, 18715), (247, 15760), (260, 14972), (304, 12805), (380, 10244), (394, 9880), (494, 7880), (520, 7486), (760, 5122), (788, 4940), (985, 3952), (988, 3940), (1040, 3743), (1235, 3152), (1520, 2561), (1576, 2470), (1970, 1976)]