51234320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 125087232

約数和(自身を除く): 73852912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 283, 292, 310, 365, 496, 566, 584, 620, 730, 1132, 1168, 1240, 1415, 1460, 2263, 2264, 2480, 2830, 2920, 4526, 4528, 5660, 5840, 8773, 9052, 11315, 11320, 17546, 18104, 20659, 22630, 22640, 35092, 36208, 41318, 43865, 45260, 70184, 82636, 87730, 90520, 103295, 140368, 165272, 175460, 181040, 206590, 330544, 350920, 413180, 640429, 701840, 826360, 1280858, 1652720, 2561716, 3202145, 5123432, 6404290, 10246864, 12808580, 25617160, 51234320]

約数ペア:

[(1, 51234320), (2, 25617160), (4, 12808580), (5, 10246864), (8, 6404290), (10, 5123432), (16, 3202145), (20, 2561716), (31, 1652720), (40, 1280858), (62, 826360), (73, 701840), (80, 640429), (124, 413180), (146, 350920), (155, 330544), (248, 206590), (283, 181040), (292, 175460), (310, 165272), (365, 140368), (496, 103295), (566, 90520), (584, 87730), (620, 82636), (730, 70184), (1132, 45260), (1168, 43865), (1240, 41318), (1415, 36208), (1460, 35092), (2263, 22640), (2264, 22630), (2480, 20659), (2830, 18104), (2920, 17546), (4526, 11320), (4528, 11315), (5660, 9052), (5840, 8773)]