40015840

素因数分解:

$2^5\times 5^1\times {\mathrm{383}}^1\times {\mathrm{653}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 94929408

約数和(自身を除く): 54913568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 653, 766, 1306, 1532, 1915, 2612, 3064, 3265, 3830, 5224, 6128, 6530, 7660, 10448, 12256, 13060, 15320, 20896, 26120, 30640, 52240, 61280, 104480, 250099, 500198, 1000396, 1250495, 2000792, 2500990, 4001584, 5001980, 8003168, 10003960, 20007920, 40015840]

約数ペア:

[(1, 40015840), (2, 20007920), (4, 10003960), (5, 8003168), (8, 5001980), (10, 4001584), (16, 2500990), (20, 2000792), (32, 1250495), (40, 1000396), (80, 500198), (160, 250099), (383, 104480), (653, 61280), (766, 52240), (1306, 30640), (1532, 26120), (1915, 20896), (2612, 15320), (3064, 13060), (3265, 12256), (3830, 10448), (5224, 7660), (6128, 6530)]