133738240

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 322813008

約数和(自身を除く): 189074768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 640, 641, 652, 815, 1280, 1282, 1304, 1630, 2564, 2608, 3205, 3260, 5128, 5216, 6410, 6520, 10256, 10432, 12820, 13040, 20512, 20864, 25640, 26080, 41024, 41728, 51280, 52160, 82048, 102560, 104320, 104483, 164096, 205120, 208640, 208966, 410240, 417932, 522415, 820480, 835864, 1044830, 1671728, 2089660, 3343456, 4179320, 6686912, 8358640, 13373824, 16717280, 26747648, 33434560, 66869120, 133738240]

約数ペア:

[(1, 133738240), (2, 66869120), (4, 33434560), (5, 26747648), (8, 16717280), (10, 13373824), (16, 8358640), (20, 6686912), (32, 4179320), (40, 3343456), (64, 2089660), (80, 1671728), (128, 1044830), (160, 835864), (163, 820480), (256, 522415), (320, 417932), (326, 410240), (640, 208966), (641, 208640), (652, 205120), (815, 164096), (1280, 104483), (1282, 104320), (1304, 102560), (1630, 82048), (2564, 52160), (2608, 51280), (3205, 41728), (3260, 41024), (5128, 26080), (5216, 25640), (6410, 20864), (6520, 20512), (10256, 13040), (10432, 12820)]