78571280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57773}}^1$

素因数の和:57803

約数の個数: 40

約数和(自身を含む): 193427352

約数和(自身を除く): 114856072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57773, 115546, 231092, 288865, 462184, 577730, 924368, 982141, 1155460, 1964282, 2310920, 3928564, 4621840, 4910705, 7857128, 9821410, 15714256, 19642820, 39285640, 78571280]

約数ペア:

[(1, 78571280), (2, 39285640), (4, 19642820), (5, 15714256), (8, 9821410), (10, 7857128), (16, 4910705), (17, 4621840), (20, 3928564), (34, 2310920), (40, 1964282), (68, 1155460), (80, 982141), (85, 924368), (136, 577730), (170, 462184), (272, 288865), (340, 231092), (680, 115546), (1360, 57773)]