51420640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 129003840

約数和(自身を除く): 77583200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 89, 92, 115, 157, 160, 178, 184, 230, 314, 356, 368, 445, 460, 628, 712, 736, 785, 890, 920, 1256, 1424, 1570, 1780, 1840, 2047, 2512, 2848, 3140, 3560, 3611, 3680, 4094, 5024, 6280, 7120, 7222, 8188, 10235, 12560, 13973, 14240, 14444, 16376, 18055, 20470, 25120, 27946, 28888, 32752, 36110, 40940, 55892, 57776, 65504, 69865, 72220, 81880, 111784, 115552, 139730, 144440, 163760, 223568, 279460, 288880, 321379, 327520, 447136, 558920, 577760, 642758, 1117840, 1285516, 1606895, 2235680, 2571032, 3213790, 5142064, 6427580, 10284128, 12855160, 25710320, 51420640]

約数ペア:

[(1, 51420640), (2, 25710320), (4, 12855160), (5, 10284128), (8, 6427580), (10, 5142064), (16, 3213790), (20, 2571032), (23, 2235680), (32, 1606895), (40, 1285516), (46, 1117840), (80, 642758), (89, 577760), (92, 558920), (115, 447136), (157, 327520), (160, 321379), (178, 288880), (184, 279460), (230, 223568), (314, 163760), (356, 144440), (368, 139730), (445, 115552), (460, 111784), (628, 81880), (712, 72220), (736, 69865), (785, 65504), (890, 57776), (920, 55892), (1256, 40940), (1424, 36110), (1570, 32752), (1780, 28888), (1840, 27946), (2047, 25120), (2512, 20470), (2848, 18055), (3140, 16376), (3560, 14444), (3611, 14240), (3680, 13973), (4094, 12560), (5024, 10235), (6280, 8188), (7120, 7222)]