51244120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 123055200

約数和(自身を除く): 71811080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 358, 421, 680, 716, 842, 895, 1432, 1684, 1790, 2105, 3043, 3368, 3580, 4210, 6086, 7157, 7160, 8420, 12172, 14314, 15215, 16840, 24344, 28628, 30430, 35785, 57256, 60860, 71570, 75359, 121720, 143140, 150718, 286280, 301436, 376795, 602872, 753590, 1281103, 1507180, 2562206, 3014360, 5124412, 6405515, 10248824, 12811030, 25622060, 51244120]

約数ペア:

[(1, 51244120), (2, 25622060), (4, 12811030), (5, 10248824), (8, 6405515), (10, 5124412), (17, 3014360), (20, 2562206), (34, 1507180), (40, 1281103), (68, 753590), (85, 602872), (136, 376795), (170, 301436), (179, 286280), (340, 150718), (358, 143140), (421, 121720), (680, 75359), (716, 71570), (842, 60860), (895, 57256), (1432, 35785), (1684, 30430), (1790, 28628), (2105, 24344), (3043, 16840), (3368, 15215), (3580, 14314), (4210, 12172), (6086, 8420), (7157, 7160)]