64145120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30839}}^1$

素因数の和:30867

約数の個数: 48

約数和(自身を含む): 163205280

約数和(自身を除く): 99060160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 30839, 61678, 123356, 154195, 246712, 308390, 400907, 493424, 616780, 801814, 986848, 1233560, 1603628, 2004535, 2467120, 3207256, 4009070, 4934240, 6414512, 8018140, 12829024, 16036280, 32072560, 64145120]

約数ペア:

[(1, 64145120), (2, 32072560), (4, 16036280), (5, 12829024), (8, 8018140), (10, 6414512), (13, 4934240), (16, 4009070), (20, 3207256), (26, 2467120), (32, 2004535), (40, 1603628), (52, 1233560), (65, 986848), (80, 801814), (104, 616780), (130, 493424), (160, 400907), (208, 308390), (260, 246712), (416, 154195), (520, 123356), (1040, 61678), (2080, 30839)]