16238043940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:1025

約数の個数: 96

約数和(自身を含む): 35155814400

約数和(自身を除く): 18917770460

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 139, 158, 214, 278, 316, 395, 428, 535, 556, 691, 695, 790, 1070, 1382, 1390, 1580, 2140, 2764, 2780, 3455, 6910, 8453, 10981, 13820, 14873, 16906, 21962, 29746, 33812, 42265, 43924, 54589, 54905, 59492, 73937, 74365, 84530, 96049, 109178, 109810, 147874, 148730, 169060, 192098, 218356, 219620, 272945, 295748, 297460, 369685, 384196, 480245, 545890, 739370, 960490, 1091780, 1174967, 1478740, 1920980, 2349934, 4699868, 5841023, 5874835, 7587871, 10277243, 11682046, 11749670, 15175742, 20554486, 23364092, 23499340, 29205115, 30351484, 37939355, 41108972, 51386215, 58410230, 75878710, 102772430, 116820460, 151757420, 205544860, 811902197, 1623804394, 3247608788, 4059510985, 8119021970, 16238043940]

約数ペア:

[(1, 16238043940), (2, 8119021970), (4, 4059510985), (5, 3247608788), (10, 1623804394), (20, 811902197), (79, 205544860), (107, 151757420), (139, 116820460), (158, 102772430), (214, 75878710), (278, 58410230), (316, 51386215), (395, 41108972), (428, 37939355), (535, 30351484), (556, 29205115), (691, 23499340), (695, 23364092), (790, 20554486), (1070, 15175742), (1382, 11749670), (1390, 11682046), (1580, 10277243), (2140, 7587871), (2764, 5874835), (2780, 5841023), (3455, 4699868), (6910, 2349934), (8453, 1920980), (10981, 1478740), (13820, 1174967), (14873, 1091780), (16906, 960490), (21962, 739370), (29746, 545890), (33812, 480245), (42265, 384196), (43924, 369685), (54589, 297460), (54905, 295748), (59492, 272945), (73937, 219620), (74365, 218356), (84530, 192098), (96049, 169060), (109178, 148730), (109810, 147874)]