38031920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 94279680

約数和(自身を除く): 56247760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 191, 262, 304, 380, 382, 524, 655, 760, 764, 955, 1048, 1310, 1520, 1528, 1910, 2096, 2489, 2620, 3056, 3629, 3820, 4978, 5240, 7258, 7640, 9956, 10480, 12445, 14516, 15280, 18145, 19912, 24890, 25021, 29032, 36290, 39824, 49780, 50042, 58064, 72580, 99560, 100084, 125105, 145160, 199120, 200168, 250210, 290320, 400336, 475399, 500420, 950798, 1000840, 1901596, 2001680, 2376995, 3803192, 4753990, 7606384, 9507980, 19015960, 38031920]

約数ペア:

[(1, 38031920), (2, 19015960), (4, 9507980), (5, 7606384), (8, 4753990), (10, 3803192), (16, 2376995), (19, 2001680), (20, 1901596), (38, 1000840), (40, 950798), (76, 500420), (80, 475399), (95, 400336), (131, 290320), (152, 250210), (190, 200168), (191, 199120), (262, 145160), (304, 125105), (380, 100084), (382, 99560), (524, 72580), (655, 58064), (760, 50042), (764, 49780), (955, 39824), (1048, 36290), (1310, 29032), (1520, 25021), (1528, 24890), (1910, 19912), (2096, 18145), (2489, 15280), (2620, 14516), (3056, 12445), (3629, 10480), (3820, 9956), (4978, 7640), (5240, 7258)]