86645320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 206712000

約数和(自身を除く): 120066680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 659, 692, 760, 865, 1318, 1384, 1730, 2636, 3287, 3295, 3460, 5272, 6574, 6590, 6920, 12521, 13148, 13180, 16435, 25042, 26296, 26360, 32870, 50084, 62605, 65740, 100168, 114007, 125210, 131480, 228014, 250420, 456028, 500840, 570035, 912056, 1140070, 2166133, 2280140, 4332266, 4560280, 8664532, 10830665, 17329064, 21661330, 43322660, 86645320]

約数ペア:

[(1, 86645320), (2, 43322660), (4, 21661330), (5, 17329064), (8, 10830665), (10, 8664532), (19, 4560280), (20, 4332266), (38, 2280140), (40, 2166133), (76, 1140070), (95, 912056), (152, 570035), (173, 500840), (190, 456028), (346, 250420), (380, 228014), (659, 131480), (692, 125210), (760, 114007), (865, 100168), (1318, 65740), (1384, 62605), (1730, 50084), (2636, 32870), (3287, 26360), (3295, 26296), (3460, 25042), (5272, 16435), (6574, 13180), (6590, 13148), (6920, 12521)]