39000040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 94167360

約数和(自身を除く): 55167320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 691, 830, 1382, 1411, 1660, 2764, 2822, 3320, 3455, 5528, 5644, 6910, 7055, 11288, 11747, 13820, 14110, 23494, 27640, 28220, 46988, 56440, 57353, 58735, 93976, 114706, 117470, 229412, 234940, 286765, 458824, 469880, 573530, 975001, 1147060, 1950002, 2294120, 3900004, 4875005, 7800008, 9750010, 19500020, 39000040]

約数ペア:

[(1, 39000040), (2, 19500020), (4, 9750010), (5, 7800008), (8, 4875005), (10, 3900004), (17, 2294120), (20, 1950002), (34, 1147060), (40, 975001), (68, 573530), (83, 469880), (85, 458824), (136, 286765), (166, 234940), (170, 229412), (332, 117470), (340, 114706), (415, 93976), (664, 58735), (680, 57353), (691, 56440), (830, 46988), (1382, 28220), (1411, 27640), (1660, 23494), (2764, 14110), (2822, 13820), (3320, 11747), (3455, 11288), (5528, 7055), (5644, 6910)]