65830700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 156031680

約数和(自身を除く): 90200980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 316, 325, 395, 641, 650, 790, 1027, 1282, 1300, 1580, 1975, 2054, 2564, 3205, 3950, 4108, 5135, 6410, 7900, 8333, 10270, 12820, 16025, 16666, 20540, 25675, 32050, 33332, 41665, 50639, 51350, 64100, 83330, 101278, 102700, 166660, 202556, 208325, 253195, 416650, 506390, 658307, 833300, 1012780, 1265975, 1316614, 2531950, 2633228, 3291535, 5063900, 6583070, 13166140, 16457675, 32915350, 65830700]

約数ペア:

[(1, 65830700), (2, 32915350), (4, 16457675), (5, 13166140), (10, 6583070), (13, 5063900), (20, 3291535), (25, 2633228), (26, 2531950), (50, 1316614), (52, 1265975), (65, 1012780), (79, 833300), (100, 658307), (130, 506390), (158, 416650), (260, 253195), (316, 208325), (325, 202556), (395, 166660), (641, 102700), (650, 101278), (790, 83330), (1027, 64100), (1282, 51350), (1300, 50639), (1580, 41665), (1975, 33332), (2054, 32050), (2564, 25675), (3205, 20540), (3950, 16666), (4108, 16025), (5135, 12820), (6410, 10270), (7900, 8333)]