15627760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11491}}^1$

素因数の和:11521

約数の個数: 40

約数和(自身を含む): 38475216

約数和(自身を除く): 22847456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11491, 22982, 45964, 57455, 91928, 114910, 183856, 195347, 229820, 390694, 459640, 781388, 919280, 976735, 1562776, 1953470, 3125552, 3906940, 7813880, 15627760]

約数ペア:

[(1, 15627760), (2, 7813880), (4, 3906940), (5, 3125552), (8, 1953470), (10, 1562776), (16, 976735), (17, 919280), (20, 781388), (34, 459640), (40, 390694), (68, 229820), (80, 195347), (85, 183856), (136, 114910), (170, 91928), (272, 57455), (340, 45964), (680, 22982), (1360, 11491)]