72900280

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3203}}^1$

素因数の和:3783

約数の個数: 32

約数和(自身を含む): 164365200

約数和(自身を除く): 91464920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 3203, 4552, 5690, 6406, 11380, 12812, 16015, 22760, 25624, 32030, 64060, 128120, 1822507, 3645014, 7290028, 9112535, 14580056, 18225070, 36450140, 72900280]

約数ペア:

[(1, 72900280), (2, 36450140), (4, 18225070), (5, 14580056), (8, 9112535), (10, 7290028), (20, 3645014), (40, 1822507), (569, 128120), (1138, 64060), (2276, 32030), (2845, 25624), (3203, 22760), (4552, 16015), (5690, 12812), (6406, 11380)]