71729120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26371}}^1$

素因数の和:26403

約数の個数: 48

約数和(自身を含む): 179435088

約数和(自身を除く): 107705968

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, 26371, 52742, 105484, 131855, 210968, 263710, 421936, 448307, 527420, 843872, 896614, 1054840, 1793228, 2109680, 2241535, 3586456, 4219360, 4483070, 7172912, 8966140, 14345824, 17932280, 35864560, 71729120]

約数ペア:

[(1, 71729120), (2, 35864560), (4, 17932280), (5, 14345824), (8, 8966140), (10, 7172912), (16, 4483070), (17, 4219360), (20, 3586456), (32, 2241535), (34, 2109680), (40, 1793228), (68, 1054840), (80, 896614), (85, 843872), (136, 527420), (160, 448307), (170, 421936), (272, 263710), (340, 210968), (544, 131855), (680, 105484), (1360, 52742), (2720, 26371)]