72463520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26641}}^1$

素因数の和:26673

約数の個数: 48

約数和(自身を含む): 181272168

約数和(自身を除く): 108808648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26641, 53282, 106564, 133205, 213128, 266410, 426256, 452897, 532820, 852512, 905794, 1065640, 1811588, 2131280, 2264485, 3623176, 4262560, 4528970, 7246352, 9057940, 14492704, 18115880, 36231760, 72463520]

約数ペア:

[(1, 72463520), (2, 36231760), (4, 18115880), (5, 14492704), (8, 9057940), (10, 7246352), (16, 4528970), (17, 4262560), (20, 3623176), (32, 2264485), (34, 2131280), (40, 1811588), (68, 1065640), (80, 905794), (85, 852512), (136, 532820), (160, 452897), (170, 426256), (272, 266410), (340, 213128), (544, 133205), (680, 106564), (1360, 53282), (2720, 26641)]