90048920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 219784320

約数和(自身を除く): 129735400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1103, 1256, 1570, 2041, 2206, 3140, 4082, 4412, 5515, 6280, 8164, 8824, 10205, 11030, 14339, 16328, 20410, 22060, 28678, 40820, 44120, 57356, 71695, 81640, 114712, 143390, 173171, 286780, 346342, 573560, 692684, 865855, 1385368, 1731710, 2251223, 3463420, 4502446, 6926840, 9004892, 11256115, 18009784, 22512230, 45024460, 90048920]

約数ペア:

[(1, 90048920), (2, 45024460), (4, 22512230), (5, 18009784), (8, 11256115), (10, 9004892), (13, 6926840), (20, 4502446), (26, 3463420), (40, 2251223), (52, 1731710), (65, 1385368), (104, 865855), (130, 692684), (157, 573560), (260, 346342), (314, 286780), (520, 173171), (628, 143390), (785, 114712), (1103, 81640), (1256, 71695), (1570, 57356), (2041, 44120), (2206, 40820), (3140, 28678), (4082, 22060), (4412, 20410), (5515, 16328), (6280, 14339), (8164, 11030), (8824, 10205)]