39454480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 100618560

約数和(自身を除く): 61164080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 643, 767, 944, 1040, 1180, 1286, 1534, 2360, 2572, 3068, 3215, 3835, 4720, 5144, 6136, 6430, 7670, 8359, 10288, 12272, 12860, 15340, 16718, 25720, 30680, 33436, 37937, 41795, 51440, 61360, 66872, 75874, 83590, 133744, 151748, 167180, 189685, 303496, 334360, 379370, 493181, 606992, 668720, 758740, 986362, 1517480, 1972724, 2465905, 3034960, 3945448, 4931810, 7890896, 9863620, 19727240, 39454480]

約数ペア:

[(1, 39454480), (2, 19727240), (4, 9863620), (5, 7890896), (8, 4931810), (10, 3945448), (13, 3034960), (16, 2465905), (20, 1972724), (26, 1517480), (40, 986362), (52, 758740), (59, 668720), (65, 606992), (80, 493181), (104, 379370), (118, 334360), (130, 303496), (208, 189685), (236, 167180), (260, 151748), (295, 133744), (472, 83590), (520, 75874), (590, 66872), (643, 61360), (767, 51440), (944, 41795), (1040, 37937), (1180, 33436), (1286, 30680), (1534, 25720), (2360, 16718), (2572, 15340), (3068, 12860), (3215, 12272), (3835, 10288), (4720, 8359), (5144, 7670), (6136, 6430)]