84021040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 207486720

約数和(自身を除く): 123465680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 167, 190, 304, 331, 334, 380, 662, 668, 760, 835, 1324, 1336, 1520, 1655, 1670, 2648, 2672, 3173, 3310, 3340, 5296, 6289, 6346, 6620, 6680, 12578, 12692, 13240, 13360, 15865, 25156, 25384, 26480, 31445, 31730, 50312, 50768, 55277, 62890, 63460, 100624, 110554, 125780, 126920, 221108, 251560, 253840, 276385, 442216, 503120, 552770, 884432, 1050263, 1105540, 2100526, 2211080, 4201052, 4422160, 5251315, 8402104, 10502630, 16804208, 21005260, 42010520, 84021040]

約数ペア:

[(1, 84021040), (2, 42010520), (4, 21005260), (5, 16804208), (8, 10502630), (10, 8402104), (16, 5251315), (19, 4422160), (20, 4201052), (38, 2211080), (40, 2100526), (76, 1105540), (80, 1050263), (95, 884432), (152, 552770), (167, 503120), (190, 442216), (304, 276385), (331, 253840), (334, 251560), (380, 221108), (662, 126920), (668, 125780), (760, 110554), (835, 100624), (1324, 63460), (1336, 62890), (1520, 55277), (1655, 50768), (1670, 50312), (2648, 31730), (2672, 31445), (3173, 26480), (3310, 25384), (3340, 25156), (5296, 15865), (6289, 13360), (6346, 13240), (6620, 12692), (6680, 12578)]