40636540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10009}}^1$

素因数の和:10054

約数の個数: 48

約数和(自身を含む): 100900800

約数和(自身を除く): 60264260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 10009, 20018, 40036, 50045, 70063, 100090, 140126, 200180, 280252, 290261, 350315, 580522, 700630, 1161044, 1401260, 1451305, 2031827, 2902610, 4063654, 5805220, 8127308, 10159135, 20318270, 40636540]

約数ペア:

[(1, 40636540), (2, 20318270), (4, 10159135), (5, 8127308), (7, 5805220), (10, 4063654), (14, 2902610), (20, 2031827), (28, 1451305), (29, 1401260), (35, 1161044), (58, 700630), (70, 580522), (116, 350315), (140, 290261), (145, 280252), (203, 200180), (290, 140126), (406, 100090), (580, 70063), (812, 50045), (1015, 40036), (2030, 20018), (4060, 10009)]