160485760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8089}}^1$

素因数の和:8139

約数の個数: 64

約数和(自身を含む): 396086400

約数和(自身を除く): 235600640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8089, 9920, 16178, 19840, 32356, 40445, 64712, 80890, 129424, 161780, 250759, 258848, 323560, 501518, 517696, 647120, 1003036, 1035392, 1253795, 1294240, 2006072, 2507590, 2588480, 4012144, 5015180, 5176960, 8024288, 10030360, 16048576, 20060720, 32097152, 40121440, 80242880, 160485760]

約数ペア:

[(1, 160485760), (2, 80242880), (4, 40121440), (5, 32097152), (8, 20060720), (10, 16048576), (16, 10030360), (20, 8024288), (31, 5176960), (32, 5015180), (40, 4012144), (62, 2588480), (64, 2507590), (80, 2006072), (124, 1294240), (128, 1253795), (155, 1035392), (160, 1003036), (248, 647120), (310, 517696), (320, 501518), (496, 323560), (620, 258848), (640, 250759), (992, 161780), (1240, 129424), (1984, 80890), (2480, 64712), (3968, 40445), (4960, 32356), (8089, 19840), (9920, 16178)]