49219760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36191}}^1$

素因数の和:36221

約数の個数: 40

約数和(自身を含む): 121170816

約数和(自身を除く): 71951056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 36191, 72382, 144764, 180955, 289528, 361910, 579056, 615247, 723820, 1230494, 1447640, 2460988, 2895280, 3076235, 4921976, 6152470, 9843952, 12304940, 24609880, 49219760]

約数ペア:

[(1, 49219760), (2, 24609880), (4, 12304940), (5, 9843952), (8, 6152470), (10, 4921976), (16, 3076235), (17, 2895280), (20, 2460988), (34, 1447640), (40, 1230494), (68, 723820), (80, 615247), (85, 579056), (136, 361910), (170, 289528), (272, 180955), (340, 144764), (680, 72382), (1360, 36191)]