520327720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{28843}}^1$

素因数の和:28906

約数の個数: 64

約数和(自身を含む): 1308363840

約数和(自身を除く): 788036120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 28843, 57686, 115372, 144215, 230744, 288430, 317273, 576860, 634546, 1153720, 1182563, 1269092, 1586365, 2365126, 2538184, 3172730, 4730252, 5912815, 6345460, 9460504, 11825630, 12690920, 13008193, 23651260, 26016386, 47302520, 52032772, 65040965, 104065544, 130081930, 260163860, 520327720]

約数ペア:

[(1, 520327720), (2, 260163860), (4, 130081930), (5, 104065544), (8, 65040965), (10, 52032772), (11, 47302520), (20, 26016386), (22, 23651260), (40, 13008193), (41, 12690920), (44, 11825630), (55, 9460504), (82, 6345460), (88, 5912815), (110, 4730252), (164, 3172730), (205, 2538184), (220, 2365126), (328, 1586365), (410, 1269092), (440, 1182563), (451, 1153720), (820, 634546), (902, 576860), (1640, 317273), (1804, 288430), (2255, 230744), (3608, 144215), (4510, 115372), (9020, 57686), (18040, 28843)]