18406240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 47192544

約数和(自身を除く): 28786304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 67, 68, 80, 85, 101, 134, 136, 160, 170, 202, 268, 272, 335, 340, 404, 505, 536, 544, 670, 680, 808, 1010, 1072, 1139, 1340, 1360, 1616, 1717, 2020, 2144, 2278, 2680, 2720, 3232, 3434, 4040, 4556, 5360, 5695, 6767, 6868, 8080, 8585, 9112, 10720, 11390, 13534, 13736, 16160, 17170, 18224, 22780, 27068, 27472, 33835, 34340, 36448, 45560, 54136, 54944, 67670, 68680, 91120, 108272, 115039, 135340, 137360, 182240, 216544, 230078, 270680, 274720, 460156, 541360, 575195, 920312, 1082720, 1150390, 1840624, 2300780, 3681248, 4601560, 9203120, 18406240]

約数ペア:

[(1, 18406240), (2, 9203120), (4, 4601560), (5, 3681248), (8, 2300780), (10, 1840624), (16, 1150390), (17, 1082720), (20, 920312), (32, 575195), (34, 541360), (40, 460156), (67, 274720), (68, 270680), (80, 230078), (85, 216544), (101, 182240), (134, 137360), (136, 135340), (160, 115039), (170, 108272), (202, 91120), (268, 68680), (272, 67670), (335, 54944), (340, 54136), (404, 45560), (505, 36448), (536, 34340), (544, 33835), (670, 27472), (680, 27068), (808, 22780), (1010, 18224), (1072, 17170), (1139, 16160), (1340, 13736), (1360, 13534), (1616, 11390), (1717, 10720), (2020, 9112), (2144, 8585), (2278, 8080), (2680, 6868), (2720, 6767), (3232, 5695), (3434, 5360), (4040, 4556)]