31848440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 78321600

約数和(自身を除く): 46473160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 839, 949, 1460, 1678, 1898, 2920, 3356, 3796, 4195, 4745, 6712, 7592, 8390, 9490, 10907, 16780, 18980, 21814, 33560, 37960, 43628, 54535, 61247, 87256, 109070, 122494, 218140, 244988, 306235, 436280, 489976, 612470, 796211, 1224940, 1592422, 2449880, 3184844, 3981055, 6369688, 7962110, 15924220, 31848440]

約数ペア:

[(1, 31848440), (2, 15924220), (4, 7962110), (5, 6369688), (8, 3981055), (10, 3184844), (13, 2449880), (20, 1592422), (26, 1224940), (40, 796211), (52, 612470), (65, 489976), (73, 436280), (104, 306235), (130, 244988), (146, 218140), (260, 122494), (292, 109070), (365, 87256), (520, 61247), (584, 54535), (730, 43628), (839, 37960), (949, 33560), (1460, 21814), (1678, 18980), (1898, 16780), (2920, 10907), (3356, 9490), (3796, 8390), (4195, 7592), (4745, 6712)]