74646640

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2689}}^1$

素因数の和:3049

約数の個数: 40

約数和(自身を含む): 174118320

約数和(自身を除く): 99471680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2689, 2776, 3470, 5378, 5552, 6940, 10756, 13445, 13880, 21512, 26890, 27760, 43024, 53780, 107560, 215120, 933083, 1866166, 3732332, 4665415, 7464664, 9330830, 14929328, 18661660, 37323320, 74646640]

約数ペア:

[(1, 74646640), (2, 37323320), (4, 18661660), (5, 14929328), (8, 9330830), (10, 7464664), (16, 4665415), (20, 3732332), (40, 1866166), (80, 933083), (347, 215120), (694, 107560), (1388, 53780), (1735, 43024), (2689, 27760), (2776, 26890), (3470, 21512), (5378, 13880), (5552, 13445), (6940, 10756)]