51665360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 128456064

約数和(自身を除く): 76790704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 653, 688, 860, 920, 989, 1306, 1720, 1840, 1978, 2612, 3265, 3440, 3956, 4945, 5224, 6530, 7912, 9890, 10448, 13060, 15019, 15824, 19780, 26120, 28079, 30038, 39560, 52240, 56158, 60076, 75095, 79120, 112316, 120152, 140395, 150190, 224632, 240304, 280790, 300380, 449264, 561580, 600760, 645817, 1123160, 1201520, 1291634, 2246320, 2583268, 3229085, 5166536, 6458170, 10333072, 12916340, 25832680, 51665360]

約数ペア:

[(1, 51665360), (2, 25832680), (4, 12916340), (5, 10333072), (8, 6458170), (10, 5166536), (16, 3229085), (20, 2583268), (23, 2246320), (40, 1291634), (43, 1201520), (46, 1123160), (80, 645817), (86, 600760), (92, 561580), (115, 449264), (172, 300380), (184, 280790), (215, 240304), (230, 224632), (344, 150190), (368, 140395), (430, 120152), (460, 112316), (653, 79120), (688, 75095), (860, 60076), (920, 56158), (989, 52240), (1306, 39560), (1720, 30038), (1840, 28079), (1978, 26120), (2612, 19780), (3265, 15824), (3440, 15019), (3956, 13060), (4945, 10448), (5224, 9890), (6530, 7912)]