40786720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19637

約数の個数: 48

約数和(自身を含む): 103776120

約数和(自身を除く): 62989400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 19609, 39218, 78436, 98045, 156872, 196090, 254917, 313744, 392180, 509834, 627488, 784360, 1019668, 1274585, 1568720, 2039336, 2549170, 3137440, 4078672, 5098340, 8157344, 10196680, 20393360, 40786720]

約数ペア:

[(1, 40786720), (2, 20393360), (4, 10196680), (5, 8157344), (8, 5098340), (10, 4078672), (13, 3137440), (16, 2549170), (20, 2039336), (26, 1568720), (32, 1274585), (40, 1019668), (52, 784360), (65, 627488), (80, 509834), (104, 392180), (130, 313744), (160, 254917), (208, 196090), (260, 156872), (416, 98045), (520, 78436), (1040, 39218), (2080, 19609)]