20131870880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{18539}}^1$

素因数の和:19182

約数の個数: 96

約数和(自身を含む): 51972217920

約数和(自身を除く): 31840347040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 617, 880, 1234, 1760, 2468, 3085, 4936, 6170, 6787, 9872, 12340, 13574, 18539, 19744, 24680, 27148, 33935, 37078, 49360, 54296, 67870, 74156, 92695, 98720, 108592, 135740, 148312, 185390, 203929, 217184, 271480, 296624, 370780, 407858, 542960, 593248, 741560, 815716, 1019645, 1085920, 1483120, 1631432, 2039290, 2966240, 3262864, 4078580, 6525728, 8157160, 11438563, 16314320, 22877126, 32628640, 45754252, 57192815, 91508504, 114385630, 125824193, 183017008, 228771260, 251648386, 366034016, 457542520, 503296772, 629120965, 915085040, 1006593544, 1258241930, 1830170080, 2013187088, 2516483860, 4026374176, 5032967720, 10065935440, 20131870880]

約数ペア:

[(1, 20131870880), (2, 10065935440), (4, 5032967720), (5, 4026374176), (8, 2516483860), (10, 2013187088), (11, 1830170080), (16, 1258241930), (20, 1006593544), (22, 915085040), (32, 629120965), (40, 503296772), (44, 457542520), (55, 366034016), (80, 251648386), (88, 228771260), (110, 183017008), (160, 125824193), (176, 114385630), (220, 91508504), (352, 57192815), (440, 45754252), (617, 32628640), (880, 22877126), (1234, 16314320), (1760, 11438563), (2468, 8157160), (3085, 6525728), (4936, 4078580), (6170, 3262864), (6787, 2966240), (9872, 2039290), (12340, 1631432), (13574, 1483120), (18539, 1085920), (19744, 1019645), (24680, 815716), (27148, 741560), (33935, 593248), (37078, 542960), (49360, 407858), (54296, 370780), (67870, 296624), (74156, 271480), (92695, 217184), (98720, 203929), (108592, 185390), (135740, 148312)]