164015540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{2153}}^1$

素因数の和:2468

約数の個数: 48

約数和(自身を含む): 372366288

約数和(自身を除く): 208350748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 1172, 1465, 2153, 2930, 3809, 4306, 5860, 7618, 8612, 10765, 15236, 19045, 21530, 27989, 38090, 43060, 55978, 76180, 111956, 139945, 279890, 559780, 630829, 1261658, 2523316, 3154145, 6308290, 8200777, 12616580, 16401554, 32803108, 41003885, 82007770, 164015540]

約数ペア:

[(1, 164015540), (2, 82007770), (4, 41003885), (5, 32803108), (10, 16401554), (13, 12616580), (20, 8200777), (26, 6308290), (52, 3154145), (65, 2523316), (130, 1261658), (260, 630829), (293, 559780), (586, 279890), (1172, 139945), (1465, 111956), (2153, 76180), (2930, 55978), (3809, 43060), (4306, 38090), (5860, 27989), (7618, 21530), (8612, 19045), (10765, 15236)]