31363467320

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{691}}^1\times {\mathrm{2917}}^1$

素因数の和:4008

約数の個数: 64

約数和(自身を含む): 70875885600

約数和(自身を除く): 39512418280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 691, 778, 1382, 1556, 1945, 2764, 2917, 3112, 3455, 3890, 5528, 5834, 6910, 7780, 11668, 13820, 14585, 15560, 23336, 27640, 29170, 58340, 116680, 268799, 537598, 1075196, 1134713, 1343995, 2015647, 2150392, 2269426, 2687990, 4031294, 4538852, 5375980, 5673565, 8062588, 9077704, 10078235, 10751960, 11347130, 16125176, 20156470, 22694260, 40312940, 45388520, 80625880, 784086683, 1568173366, 3136346732, 3920433415, 6272693464, 7840866830, 15681733660, 31363467320]

約数ペア:

[(1, 31363467320), (2, 15681733660), (4, 7840866830), (5, 6272693464), (8, 3920433415), (10, 3136346732), (20, 1568173366), (40, 784086683), (389, 80625880), (691, 45388520), (778, 40312940), (1382, 22694260), (1556, 20156470), (1945, 16125176), (2764, 11347130), (2917, 10751960), (3112, 10078235), (3455, 9077704), (3890, 8062588), (5528, 5673565), (5834, 5375980), (6910, 4538852), (7780, 4031294), (11668, 2687990), (13820, 2269426), (14585, 2150392), (15560, 2015647), (23336, 1343995), (27640, 1134713), (29170, 1075196), (58340, 537598), (116680, 268799)]