1856555480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{8521}}^1$

素因数の和:8964

約数の個数: 64

約数和(自身を含む): 4509842400

約数和(自身を除く): 2653286920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 419, 520, 838, 1676, 2095, 3352, 4190, 5447, 8380, 8521, 10894, 16760, 17042, 21788, 27235, 34084, 42605, 43576, 54470, 68168, 85210, 108940, 110773, 170420, 217880, 221546, 340840, 443092, 553865, 886184, 1107730, 2215460, 3570299, 4430920, 7140598, 14281196, 17851495, 28562392, 35702990, 46413887, 71405980, 92827774, 142811960, 185655548, 232069435, 371311096, 464138870, 928277740, 1856555480]

約数ペア:

[(1, 1856555480), (2, 928277740), (4, 464138870), (5, 371311096), (8, 232069435), (10, 185655548), (13, 142811960), (20, 92827774), (26, 71405980), (40, 46413887), (52, 35702990), (65, 28562392), (104, 17851495), (130, 14281196), (260, 7140598), (419, 4430920), (520, 3570299), (838, 2215460), (1676, 1107730), (2095, 886184), (3352, 553865), (4190, 443092), (5447, 340840), (8380, 221546), (8521, 217880), (10894, 170420), (16760, 110773), (17042, 108940), (21788, 85210), (27235, 68168), (34084, 54470), (42605, 43576)]