25731020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 65995776

約数和(自身を除く): 40264756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 115, 122, 131, 140, 161, 230, 244, 262, 305, 322, 427, 460, 524, 610, 644, 655, 805, 854, 917, 1220, 1310, 1403, 1610, 1708, 1834, 2135, 2620, 2806, 3013, 3220, 3668, 4270, 4585, 5612, 6026, 7015, 7991, 8540, 9170, 9821, 12052, 14030, 15065, 15982, 18340, 19642, 21091, 28060, 30130, 31964, 39284, 39955, 42182, 49105, 55937, 60260, 79910, 84364, 98210, 105455, 111874, 159820, 183793, 196420, 210910, 223748, 279685, 367586, 421820, 559370, 735172, 918965, 1118740, 1286551, 1837930, 2573102, 3675860, 5146204, 6432755, 12865510, 25731020]

約数ペア:

[(1, 25731020), (2, 12865510), (4, 6432755), (5, 5146204), (7, 3675860), (10, 2573102), (14, 1837930), (20, 1286551), (23, 1118740), (28, 918965), (35, 735172), (46, 559370), (61, 421820), (70, 367586), (92, 279685), (115, 223748), (122, 210910), (131, 196420), (140, 183793), (161, 159820), (230, 111874), (244, 105455), (262, 98210), (305, 84364), (322, 79910), (427, 60260), (460, 55937), (524, 49105), (610, 42182), (644, 39955), (655, 39284), (805, 31964), (854, 30130), (917, 28060), (1220, 21091), (1310, 19642), (1403, 18340), (1610, 15982), (1708, 15065), (1834, 14030), (2135, 12052), (2620, 9821), (2806, 9170), (3013, 8540), (3220, 7991), (3668, 7015), (4270, 6026), (4585, 5612)]