84160700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1579}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 201601680

約数和(自身を除く): 117440980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1300, 1579, 2050, 2132, 2665, 3158, 4100, 5330, 6316, 7895, 10660, 13325, 15790, 20527, 26650, 31580, 39475, 41054, 53300, 64739, 78950, 82108, 102635, 129478, 157900, 205270, 258956, 323695, 410540, 513175, 647390, 841607, 1026350, 1294780, 1618475, 1683214, 2052700, 3236950, 3366428, 4208035, 6473900, 8416070, 16832140, 21040175, 42080350, 84160700]

約数ペア:

[(1, 84160700), (2, 42080350), (4, 21040175), (5, 16832140), (10, 8416070), (13, 6473900), (20, 4208035), (25, 3366428), (26, 3236950), (41, 2052700), (50, 1683214), (52, 1618475), (65, 1294780), (82, 1026350), (100, 841607), (130, 647390), (164, 513175), (205, 410540), (260, 323695), (325, 258956), (410, 205270), (533, 157900), (650, 129478), (820, 102635), (1025, 82108), (1066, 78950), (1300, 64739), (1579, 53300), (2050, 41054), (2132, 39475), (2665, 31580), (3158, 26650), (4100, 20527), (5330, 15790), (6316, 13325), (7895, 10660)]