15508220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8550

約数の個数: 48

約数和(自身を含む): 40087488

約数和(自身を除く): 24579268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8521, 17042, 34084, 42605, 59647, 85210, 110773, 119294, 170420, 221546, 238588, 298235, 443092, 553865, 596470, 775411, 1107730, 1192940, 1550822, 2215460, 3101644, 3877055, 7754110, 15508220]

約数ペア:

[(1, 15508220), (2, 7754110), (4, 3877055), (5, 3101644), (7, 2215460), (10, 1550822), (13, 1192940), (14, 1107730), (20, 775411), (26, 596470), (28, 553865), (35, 443092), (52, 298235), (65, 238588), (70, 221546), (91, 170420), (130, 119294), (140, 110773), (182, 85210), (260, 59647), (364, 42605), (455, 34084), (910, 17042), (1820, 8521)]