16397480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 24426520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 449, 664, 830, 898, 913, 1660, 1796, 1826, 2245, 3320, 3592, 3652, 4490, 4565, 4939, 7304, 8980, 9130, 9878, 17960, 18260, 19756, 24695, 36520, 37267, 39512, 49390, 74534, 98780, 149068, 186335, 197560, 298136, 372670, 409937, 745340, 819874, 1490680, 1639748, 2049685, 3279496, 4099370, 8198740, 16397480]

約数ペア:

[(1, 16397480), (2, 8198740), (4, 4099370), (5, 3279496), (8, 2049685), (10, 1639748), (11, 1490680), (20, 819874), (22, 745340), (40, 409937), (44, 372670), (55, 298136), (83, 197560), (88, 186335), (110, 149068), (166, 98780), (220, 74534), (332, 49390), (415, 39512), (440, 37267), (449, 36520), (664, 24695), (830, 19756), (898, 18260), (913, 17960), (1660, 9878), (1796, 9130), (1826, 8980), (2245, 7304), (3320, 4939), (3592, 4565), (3652, 4490)]