77908960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28643}}^1$

素因数の和:28675

約数の個数: 48

約数和(自身を含む): 194893776

約数和(自身を除く): 116984816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28643, 57286, 114572, 143215, 229144, 286430, 458288, 486931, 572860, 916576, 973862, 1145720, 1947724, 2291440, 2434655, 3895448, 4582880, 4869310, 7790896, 9738620, 15581792, 19477240, 38954480, 77908960]

約数ペア:

[(1, 77908960), (2, 38954480), (4, 19477240), (5, 15581792), (8, 9738620), (10, 7790896), (16, 4869310), (17, 4582880), (20, 3895448), (32, 2434655), (34, 2291440), (40, 1947724), (68, 1145720), (80, 973862), (85, 916576), (136, 572860), (160, 486931), (170, 458288), (272, 286430), (340, 229144), (544, 143215), (680, 114572), (1360, 57286), (2720, 28643)]