39876980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 100251648

約数和(自身を除く): 60374668

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 73, 110, 130, 143, 146, 191, 220, 260, 286, 292, 365, 382, 572, 715, 730, 764, 803, 949, 955, 1430, 1460, 1606, 1898, 1910, 2101, 2483, 2860, 3212, 3796, 3820, 4015, 4202, 4745, 4966, 8030, 8404, 9490, 9932, 10439, 10505, 12415, 13943, 16060, 18980, 20878, 21010, 24830, 27313, 27886, 41756, 42020, 49660, 52195, 54626, 55772, 69715, 104390, 109252, 136565, 139430, 153373, 181259, 208780, 273130, 278860, 306746, 362518, 546260, 613492, 725036, 766865, 906295, 1533730, 1812590, 1993849, 3067460, 3625180, 3987698, 7975396, 9969245, 19938490, 39876980]

約数ペア:

[(1, 39876980), (2, 19938490), (4, 9969245), (5, 7975396), (10, 3987698), (11, 3625180), (13, 3067460), (20, 1993849), (22, 1812590), (26, 1533730), (44, 906295), (52, 766865), (55, 725036), (65, 613492), (73, 546260), (110, 362518), (130, 306746), (143, 278860), (146, 273130), (191, 208780), (220, 181259), (260, 153373), (286, 139430), (292, 136565), (365, 109252), (382, 104390), (572, 69715), (715, 55772), (730, 54626), (764, 52195), (803, 49660), (949, 42020), (955, 41756), (1430, 27886), (1460, 27313), (1606, 24830), (1898, 21010), (1910, 20878), (2101, 18980), (2483, 16060), (2860, 13943), (3212, 12415), (3796, 10505), (3820, 10439), (4015, 9932), (4202, 9490), (4745, 8404), (4966, 8030)]