30888520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 44590520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 311, 382, 520, 622, 764, 955, 1244, 1528, 1555, 1910, 2483, 2488, 3110, 3820, 4043, 4966, 6220, 7640, 8086, 9932, 12415, 12440, 16172, 19864, 20215, 24830, 32344, 40430, 49660, 59401, 80860, 99320, 118802, 161720, 237604, 297005, 475208, 594010, 772213, 1188020, 1544426, 2376040, 3088852, 3861065, 6177704, 7722130, 15444260, 30888520]

約数ペア:

[(1, 30888520), (2, 15444260), (4, 7722130), (5, 6177704), (8, 3861065), (10, 3088852), (13, 2376040), (20, 1544426), (26, 1188020), (40, 772213), (52, 594010), (65, 475208), (104, 297005), (130, 237604), (191, 161720), (260, 118802), (311, 99320), (382, 80860), (520, 59401), (622, 49660), (764, 40430), (955, 32344), (1244, 24830), (1528, 20215), (1555, 19864), (1910, 16172), (2483, 12440), (2488, 12415), (3110, 9932), (3820, 8086), (4043, 7640), (4966, 6220)]