84727960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68329}}^1$

素因数の和:68371

約数の個数: 32

約数和(自身を含む): 196790400

約数和(自身を除く): 112062440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68329, 136658, 273316, 341645, 546632, 683290, 1366580, 2118199, 2733160, 4236398, 8472796, 10590995, 16945592, 21181990, 42363980, 84727960]

約数ペア:

[(1, 84727960), (2, 42363980), (4, 21181990), (5, 16945592), (8, 10590995), (10, 8472796), (20, 4236398), (31, 2733160), (40, 2118199), (62, 1366580), (124, 683290), (155, 546632), (248, 341645), (310, 273316), (620, 136658), (1240, 68329)]