65853160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 152467920

約数和(自身を除く): 86614760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 137, 197, 244, 274, 305, 394, 488, 548, 610, 685, 788, 985, 1096, 1220, 1370, 1576, 1970, 2440, 2740, 3940, 5480, 7880, 8357, 12017, 16714, 24034, 26989, 33428, 41785, 48068, 53978, 60085, 66856, 83570, 96136, 107956, 120170, 134945, 167140, 215912, 240340, 269890, 334280, 480680, 539780, 1079560, 1646329, 3292658, 6585316, 8231645, 13170632, 16463290, 32926580, 65853160]

約数ペア:

[(1, 65853160), (2, 32926580), (4, 16463290), (5, 13170632), (8, 8231645), (10, 6585316), (20, 3292658), (40, 1646329), (61, 1079560), (122, 539780), (137, 480680), (197, 334280), (244, 269890), (274, 240340), (305, 215912), (394, 167140), (488, 134945), (548, 120170), (610, 107956), (685, 96136), (788, 83570), (985, 66856), (1096, 60085), (1220, 53978), (1370, 48068), (1576, 41785), (1970, 33428), (2440, 26989), (2740, 24034), (3940, 16714), (5480, 12017), (7880, 8357)]