31016440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8552

約数の個数: 64

約数和(自身を含む): 85901760

約数和(自身を除く): 54885320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8521, 17042, 34084, 42605, 59647, 68168, 85210, 110773, 119294, 170420, 221546, 238588, 298235, 340840, 443092, 477176, 553865, 596470, 775411, 886184, 1107730, 1192940, 1550822, 2215460, 2385880, 3101644, 3877055, 4430920, 6203288, 7754110, 15508220, 31016440]

約数ペア:

[(1, 31016440), (2, 15508220), (4, 7754110), (5, 6203288), (7, 4430920), (8, 3877055), (10, 3101644), (13, 2385880), (14, 2215460), (20, 1550822), (26, 1192940), (28, 1107730), (35, 886184), (40, 775411), (52, 596470), (56, 553865), (65, 477176), (70, 443092), (91, 340840), (104, 298235), (130, 238588), (140, 221546), (182, 170420), (260, 119294), (280, 110773), (364, 85210), (455, 68168), (520, 59647), (728, 42605), (910, 34084), (1820, 17042), (3640, 8521)]