84420040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 201916800

約数和(自身を除く): 117496760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 380, 452, 565, 760, 904, 983, 1130, 1966, 2147, 2260, 3932, 4294, 4520, 4915, 7864, 8588, 9830, 10735, 17176, 18677, 19660, 21470, 37354, 39320, 42940, 74708, 85880, 93385, 111079, 149416, 186770, 222158, 373540, 444316, 555395, 747080, 888632, 1110790, 2110501, 2221580, 4221002, 4443160, 8442004, 10552505, 16884008, 21105010, 42210020, 84420040]

約数ペア:

[(1, 84420040), (2, 42210020), (4, 21105010), (5, 16884008), (8, 10552505), (10, 8442004), (19, 4443160), (20, 4221002), (38, 2221580), (40, 2110501), (76, 1110790), (95, 888632), (113, 747080), (152, 555395), (190, 444316), (226, 373540), (380, 222158), (452, 186770), (565, 149416), (760, 111079), (904, 93385), (983, 85880), (1130, 74708), (1966, 42940), (2147, 39320), (2260, 37354), (3932, 21470), (4294, 19660), (4520, 18677), (4915, 17176), (7864, 10735), (8588, 9830)]