201660880

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{3203}}^1$

素因数の和:4003

約数の個数: 40

約数和(自身を含む): 469603872

約数和(自身を除く): 267942992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 3148, 3203, 3935, 6296, 6406, 7870, 12592, 12812, 15740, 16015, 25624, 31480, 32030, 51248, 62960, 64060, 128120, 256240, 2520761, 5041522, 10083044, 12603805, 20166088, 25207610, 40332176, 50415220, 100830440, 201660880]

約数ペア:

[(1, 201660880), (2, 100830440), (4, 50415220), (5, 40332176), (8, 25207610), (10, 20166088), (16, 12603805), (20, 10083044), (40, 5041522), (80, 2520761), (787, 256240), (1574, 128120), (3148, 64060), (3203, 62960), (3935, 51248), (6296, 32030), (6406, 31480), (7870, 25624), (12592, 16015), (12812, 15740)]