205482880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10357}}^1$

素因数の和:10407

約数の個数: 64

約数和(自身を含む): 507127680

約数和(自身を除く): 301644800

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, 9920, 10357, 19840, 20714, 41428, 51785, 82856, 103570, 165712, 207140, 321067, 331424, 414280, 642134, 662848, 828560, 1284268, 1325696, 1605335, 1657120, 2568536, 3210670, 3314240, 5137072, 6421340, 6628480, 10274144, 12842680, 20548288, 25685360, 41096576, 51370720, 102741440, 205482880]

約数ペア:

[(1, 205482880), (2, 102741440), (4, 51370720), (5, 41096576), (8, 25685360), (10, 20548288), (16, 12842680), (20, 10274144), (31, 6628480), (32, 6421340), (40, 5137072), (62, 3314240), (64, 3210670), (80, 2568536), (124, 1657120), (128, 1605335), (155, 1325696), (160, 1284268), (248, 828560), (310, 662848), (320, 642134), (496, 414280), (620, 331424), (640, 321067), (992, 207140), (1240, 165712), (1984, 103570), (2480, 82856), (3968, 51785), (4960, 41428), (9920, 20714), (10357, 19840)]