78316960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28793}}^1$

素因数の和:28825

約数の個数: 48

約数和(自身を含む): 195914376

約数和(自身を除く): 117597416

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, 28793, 57586, 115172, 143965, 230344, 287930, 460688, 489481, 575860, 921376, 978962, 1151720, 1957924, 2303440, 2447405, 3915848, 4606880, 4894810, 7831696, 9789620, 15663392, 19579240, 39158480, 78316960]

約数ペア:

[(1, 78316960), (2, 39158480), (4, 19579240), (5, 15663392), (8, 9789620), (10, 7831696), (16, 4894810), (17, 4606880), (20, 3915848), (32, 2447405), (34, 2303440), (40, 1957924), (68, 1151720), (80, 978962), (85, 921376), (136, 575860), (160, 489481), (170, 460688), (272, 287930), (340, 230344), (544, 143965), (680, 115172), (1360, 57586), (2720, 28793)]