52807831700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1489}}^1\times {\mathrm{27281}}^1$

素因数の和:28797

約数の個数: 72

約数和(自身を含む): 123495246840

約数和(自身を除く): 70687415140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1489, 2978, 5956, 7445, 14890, 19357, 27281, 29780, 37225, 38714, 54562, 74450, 77428, 96785, 109124, 136405, 148900, 193570, 272810, 354653, 387140, 483925, 545620, 682025, 709306, 967850, 1364050, 1418612, 1773265, 1935700, 2728100, 3546530, 7093060, 8866325, 17732650, 35465300, 40621409, 81242818, 162485636, 203107045, 406214090, 528078317, 812428180, 1015535225, 1056156634, 2031070450, 2112313268, 2640391585, 4062140900, 5280783170, 10561566340, 13201957925, 26403915850, 52807831700]

約数ペア:

[(1, 52807831700), (2, 26403915850), (4, 13201957925), (5, 10561566340), (10, 5280783170), (13, 4062140900), (20, 2640391585), (25, 2112313268), (26, 2031070450), (50, 1056156634), (52, 1015535225), (65, 812428180), (100, 528078317), (130, 406214090), (260, 203107045), (325, 162485636), (650, 81242818), (1300, 40621409), (1489, 35465300), (2978, 17732650), (5956, 8866325), (7445, 7093060), (14890, 3546530), (19357, 2728100), (27281, 1935700), (29780, 1773265), (37225, 1418612), (38714, 1364050), (54562, 967850), (74450, 709306), (77428, 682025), (96785, 545620), (109124, 483925), (136405, 387140), (148900, 354653), (193570, 272810)]