8840260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 22053528

約数和(自身を除く): 13213268

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 281, 286, 484, 562, 572, 605, 715, 1124, 1210, 1405, 1430, 1573, 2420, 2810, 2860, 3091, 3146, 3653, 5620, 6182, 6292, 7306, 7865, 12364, 14612, 15455, 15730, 18265, 30910, 31460, 34001, 36530, 40183, 61820, 68002, 73060, 80366, 136004, 160732, 170005, 200915, 340010, 401830, 442013, 680020, 803660, 884026, 1768052, 2210065, 4420130, 8840260]

約数ペア:

[(1, 8840260), (2, 4420130), (4, 2210065), (5, 1768052), (10, 884026), (11, 803660), (13, 680020), (20, 442013), (22, 401830), (26, 340010), (44, 200915), (52, 170005), (55, 160732), (65, 136004), (110, 80366), (121, 73060), (130, 68002), (143, 61820), (220, 40183), (242, 36530), (260, 34001), (281, 31460), (286, 30910), (484, 18265), (562, 15730), (572, 15455), (605, 14612), (715, 12364), (1124, 7865), (1210, 7306), (1405, 6292), (1430, 6182), (1573, 5620), (2420, 3653), (2810, 3146), (2860, 3091)]