80135320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 186611040

約数和(自身を除く): 106475720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 328, 373, 410, 524, 655, 746, 820, 1048, 1310, 1492, 1640, 1865, 2620, 2984, 3730, 5240, 5371, 7460, 10742, 14920, 15293, 21484, 26855, 30586, 42968, 48863, 53710, 61172, 76465, 97726, 107420, 122344, 152930, 195452, 214840, 244315, 305860, 390904, 488630, 611720, 977260, 1954520, 2003383, 4006766, 8013532, 10016915, 16027064, 20033830, 40067660, 80135320]

約数ペア:

[(1, 80135320), (2, 40067660), (4, 20033830), (5, 16027064), (8, 10016915), (10, 8013532), (20, 4006766), (40, 2003383), (41, 1954520), (82, 977260), (131, 611720), (164, 488630), (205, 390904), (262, 305860), (328, 244315), (373, 214840), (410, 195452), (524, 152930), (655, 122344), (746, 107420), (820, 97726), (1048, 76465), (1310, 61172), (1492, 53710), (1640, 48863), (1865, 42968), (2620, 30586), (2984, 26855), (3730, 21484), (5240, 15293), (5371, 14920), (7460, 10742)]