40040420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2531}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 96985728

約数和(自身を除く): 56945308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 2531, 3164, 3955, 5062, 7910, 10124, 12655, 15820, 17717, 25310, 35434, 50620, 70868, 88585, 177170, 286003, 354340, 572006, 1144012, 1430015, 2002021, 2860030, 4004042, 5720060, 8008084, 10010105, 20020210, 40040420]

約数ペア:

[(1, 40040420), (2, 20020210), (4, 10010105), (5, 8008084), (7, 5720060), (10, 4004042), (14, 2860030), (20, 2002021), (28, 1430015), (35, 1144012), (70, 572006), (113, 354340), (140, 286003), (226, 177170), (452, 88585), (565, 70868), (791, 50620), (1130, 35434), (1582, 25310), (2260, 17717), (2531, 15820), (3164, 12655), (3955, 10124), (5062, 7910)]