42656720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 104993280

約数和(自身を除く): 62336560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 239, 368, 388, 460, 478, 485, 776, 920, 956, 970, 1195, 1552, 1840, 1912, 1940, 2231, 2390, 3824, 3880, 4462, 4780, 5497, 7760, 8924, 9560, 10994, 11155, 17848, 19120, 21988, 22310, 23183, 27485, 35696, 43976, 44620, 46366, 54970, 87952, 89240, 92732, 109940, 115915, 178480, 185464, 219880, 231830, 370928, 439760, 463660, 533209, 927320, 1066418, 1854640, 2132836, 2666045, 4265672, 5332090, 8531344, 10664180, 21328360, 42656720]

約数ペア:

[(1, 42656720), (2, 21328360), (4, 10664180), (5, 8531344), (8, 5332090), (10, 4265672), (16, 2666045), (20, 2132836), (23, 1854640), (40, 1066418), (46, 927320), (80, 533209), (92, 463660), (97, 439760), (115, 370928), (184, 231830), (194, 219880), (230, 185464), (239, 178480), (368, 115915), (388, 109940), (460, 92732), (478, 89240), (485, 87952), (776, 54970), (920, 46366), (956, 44620), (970, 43976), (1195, 35696), (1552, 27485), (1840, 23183), (1912, 22310), (1940, 21988), (2231, 19120), (2390, 17848), (3824, 11155), (3880, 10994), (4462, 9560), (4780, 8924), (5497, 7760)]