40989812860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{1787}}^1$

素因数の和:2195

約数の個数: 96

約数和(自身を含む): 89490401280

約数和(自身を除く): 48500588420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 223, 278, 370, 446, 556, 695, 740, 892, 1115, 1390, 1787, 2230, 2780, 3574, 4460, 5143, 7148, 8251, 8935, 10286, 16502, 17870, 20572, 25715, 30997, 33004, 35740, 41255, 51430, 61994, 66119, 82510, 102860, 123988, 132238, 154985, 165020, 248393, 264476, 309970, 330595, 398501, 496786, 619940, 661190, 797002, 993572, 1146889, 1241965, 1322380, 1594004, 1992505, 2293778, 2483930, 3985010, 4587556, 4967860, 5734445, 7970020, 9190541, 11468890, 14744537, 18381082, 22937780, 29489074, 36762164, 45952705, 55391639, 58978148, 73722685, 91905410, 110783278, 147445370, 183810820, 221566556, 276958195, 294890740, 553916390, 1107832780, 2049490643, 4098981286, 8197962572, 10247453215, 20494906430, 40989812860]

約数ペア:

[(1, 40989812860), (2, 20494906430), (4, 10247453215), (5, 8197962572), (10, 4098981286), (20, 2049490643), (37, 1107832780), (74, 553916390), (139, 294890740), (148, 276958195), (185, 221566556), (223, 183810820), (278, 147445370), (370, 110783278), (446, 91905410), (556, 73722685), (695, 58978148), (740, 55391639), (892, 45952705), (1115, 36762164), (1390, 29489074), (1787, 22937780), (2230, 18381082), (2780, 14744537), (3574, 11468890), (4460, 9190541), (5143, 7970020), (7148, 5734445), (8251, 4967860), (8935, 4587556), (10286, 3985010), (16502, 2483930), (17870, 2293778), (20572, 1992505), (25715, 1594004), (30997, 1322380), (33004, 1241965), (35740, 1146889), (41255, 993572), (51430, 797002), (61994, 661190), (66119, 619940), (82510, 496786), (102860, 398501), (123988, 330595), (132238, 309970), (154985, 264476), (165020, 248393)]