8206520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 22161600

約数和(自身を除く): 13955080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 79, 98, 106, 140, 158, 196, 212, 245, 265, 280, 316, 371, 392, 395, 424, 490, 530, 553, 632, 742, 790, 980, 1060, 1106, 1484, 1580, 1855, 1960, 2120, 2212, 2597, 2765, 2968, 3160, 3710, 3871, 4187, 4424, 5194, 5530, 7420, 7742, 8374, 10388, 11060, 12985, 14840, 15484, 16748, 19355, 20776, 20935, 22120, 25970, 29309, 30968, 33496, 38710, 41870, 51940, 58618, 77420, 83740, 103880, 117236, 146545, 154840, 167480, 205163, 234472, 293090, 410326, 586180, 820652, 1025815, 1172360, 1641304, 2051630, 4103260, 8206520]

約数ペア:

[(1, 8206520), (2, 4103260), (4, 2051630), (5, 1641304), (7, 1172360), (8, 1025815), (10, 820652), (14, 586180), (20, 410326), (28, 293090), (35, 234472), (40, 205163), (49, 167480), (53, 154840), (56, 146545), (70, 117236), (79, 103880), (98, 83740), (106, 77420), (140, 58618), (158, 51940), (196, 41870), (212, 38710), (245, 33496), (265, 30968), (280, 29309), (316, 25970), (371, 22120), (392, 20935), (395, 20776), (424, 19355), (490, 16748), (530, 15484), (553, 14840), (632, 12985), (742, 11060), (790, 10388), (980, 8374), (1060, 7742), (1106, 7420), (1484, 5530), (1580, 5194), (1855, 4424), (1960, 4187), (2120, 3871), (2212, 3710), (2597, 3160), (2765, 2968)]