8003240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 20856960

約数和(自身を除く): 12853720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 283, 404, 505, 566, 707, 808, 1010, 1132, 1414, 1415, 1981, 2020, 2264, 2828, 2830, 3535, 3962, 4040, 5656, 5660, 7070, 7924, 9905, 11320, 14140, 15848, 19810, 28280, 28583, 39620, 57166, 79240, 114332, 142915, 200081, 228664, 285830, 400162, 571660, 800324, 1000405, 1143320, 1600648, 2000810, 4001620, 8003240]

約数ペア:

[(1, 8003240), (2, 4001620), (4, 2000810), (5, 1600648), (7, 1143320), (8, 1000405), (10, 800324), (14, 571660), (20, 400162), (28, 285830), (35, 228664), (40, 200081), (56, 142915), (70, 114332), (101, 79240), (140, 57166), (202, 39620), (280, 28583), (283, 28280), (404, 19810), (505, 15848), (566, 14140), (707, 11320), (808, 9905), (1010, 7924), (1132, 7070), (1414, 5660), (1415, 5656), (1981, 4040), (2020, 3962), (2264, 3535), (2828, 2830)]