42006550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 82744704

約数和(自身を除く): 40738154

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 661, 775, 1025, 1271, 1322, 1550, 2050, 2542, 3305, 6355, 6610, 12710, 16525, 20491, 27101, 31775, 33050, 40982, 54202, 63550, 102455, 135505, 204910, 271010, 512275, 677525, 840131, 1024550, 1355050, 1680262, 4200655, 8401310, 21003275, 42006550]

約数ペア:

[(1, 42006550), (2, 21003275), (5, 8401310), (10, 4200655), (25, 1680262), (31, 1355050), (41, 1024550), (50, 840131), (62, 677525), (82, 512275), (155, 271010), (205, 204910), (310, 135505), (410, 102455), (661, 63550), (775, 54202), (1025, 40982), (1271, 33050), (1322, 31775), (1550, 27101), (2050, 20491), (2542, 16525), (3305, 12710), (6355, 6610)]