65793380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 141657600

約数和(自身を除く): 75864220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 199, 244, 271, 305, 398, 542, 610, 796, 995, 1084, 1220, 1355, 1990, 2710, 3980, 5420, 12139, 16531, 24278, 33062, 48556, 53929, 60695, 66124, 82655, 107858, 121390, 165310, 215716, 242780, 269645, 330620, 539290, 1078580, 3289669, 6579338, 13158676, 16448345, 32896690, 65793380]

約数ペア:

[(1, 65793380), (2, 32896690), (4, 16448345), (5, 13158676), (10, 6579338), (20, 3289669), (61, 1078580), (122, 539290), (199, 330620), (244, 269645), (271, 242780), (305, 215716), (398, 165310), (542, 121390), (610, 107858), (796, 82655), (995, 66124), (1084, 60695), (1220, 53929), (1355, 48556), (1990, 33062), (2710, 24278), (3980, 16531), (5420, 12139)]