87244720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 211423968

約数和(自身を除く): 124179248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 67, 80, 82, 134, 164, 205, 268, 328, 335, 397, 410, 536, 656, 670, 794, 820, 1072, 1340, 1588, 1640, 1985, 2680, 2747, 3176, 3280, 3970, 5360, 5494, 6352, 7940, 10988, 13735, 15880, 16277, 21976, 26599, 27470, 31760, 32554, 43952, 53198, 54940, 65108, 81385, 106396, 109880, 130216, 132995, 162770, 212792, 219760, 260432, 265990, 325540, 425584, 531980, 651080, 1063960, 1090559, 1302160, 2127920, 2181118, 4362236, 5452795, 8724472, 10905590, 17448944, 21811180, 43622360, 87244720]

約数ペア:

[(1, 87244720), (2, 43622360), (4, 21811180), (5, 17448944), (8, 10905590), (10, 8724472), (16, 5452795), (20, 4362236), (40, 2181118), (41, 2127920), (67, 1302160), (80, 1090559), (82, 1063960), (134, 651080), (164, 531980), (205, 425584), (268, 325540), (328, 265990), (335, 260432), (397, 219760), (410, 212792), (536, 162770), (656, 132995), (670, 130216), (794, 109880), (820, 106396), (1072, 81385), (1340, 65108), (1588, 54940), (1640, 53198), (1985, 43952), (2680, 32554), (2747, 31760), (3176, 27470), (3280, 26599), (3970, 21976), (5360, 16277), (5494, 15880), (6352, 13735), (7940, 10988)]