40798020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 118492416

約数和(自身を除く): 77694396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 71, 122, 142, 157, 183, 213, 244, 284, 305, 314, 355, 366, 426, 471, 610, 628, 710, 732, 785, 852, 915, 942, 1065, 1220, 1420, 1570, 1830, 1884, 2130, 2355, 3140, 3660, 4260, 4331, 4710, 8662, 9420, 9577, 11147, 12993, 17324, 19154, 21655, 22294, 25986, 28731, 33441, 38308, 43310, 44588, 47885, 51972, 55735, 57462, 64965, 66882, 86620, 95770, 111470, 114924, 129930, 133764, 143655, 167205, 191540, 222940, 259860, 287310, 334410, 574620, 668820, 679967, 1359934, 2039901, 2719868, 3399835, 4079802, 6799670, 8159604, 10199505, 13599340, 20399010, 40798020]

約数ペア:

[(1, 40798020), (2, 20399010), (3, 13599340), (4, 10199505), (5, 8159604), (6, 6799670), (10, 4079802), (12, 3399835), (15, 2719868), (20, 2039901), (30, 1359934), (60, 679967), (61, 668820), (71, 574620), (122, 334410), (142, 287310), (157, 259860), (183, 222940), (213, 191540), (244, 167205), (284, 143655), (305, 133764), (314, 129930), (355, 114924), (366, 111470), (426, 95770), (471, 86620), (610, 66882), (628, 64965), (710, 57462), (732, 55735), (785, 51972), (852, 47885), (915, 44588), (942, 43310), (1065, 38308), (1220, 33441), (1420, 28731), (1570, 25986), (1830, 22294), (1884, 21655), (2130, 19154), (2355, 17324), (3140, 12993), (3660, 11147), (4260, 9577), (4331, 9420), (4710, 8662)]