83886920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 204286320

約数和(自身を除く): 120399400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 457, 520, 706, 914, 1412, 1765, 1828, 2285, 2824, 3530, 3656, 4570, 4589, 5941, 7060, 9140, 9178, 11882, 14120, 18280, 18356, 22945, 23764, 29705, 36712, 45890, 47528, 59410, 91780, 118820, 161321, 183560, 237640, 322642, 645284, 806605, 1290568, 1613210, 2097173, 3226420, 4194346, 6452840, 8388692, 10485865, 16777384, 20971730, 41943460, 83886920]

約数ペア:

[(1, 83886920), (2, 41943460), (4, 20971730), (5, 16777384), (8, 10485865), (10, 8388692), (13, 6452840), (20, 4194346), (26, 3226420), (40, 2097173), (52, 1613210), (65, 1290568), (104, 806605), (130, 645284), (260, 322642), (353, 237640), (457, 183560), (520, 161321), (706, 118820), (914, 91780), (1412, 59410), (1765, 47528), (1828, 45890), (2285, 36712), (2824, 29705), (3530, 23764), (3656, 22945), (4570, 18356), (4589, 18280), (5941, 14120), (7060, 11882), (9140, 9178)]