202578560

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5269

約数の個数: 64

約数和(自身を含む): 492323400

約数和(自身を除く): 289744840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 5189, 7808, 9760, 10378, 19520, 20756, 25945, 39040, 41512, 51890, 83024, 103780, 166048, 207560, 316529, 332096, 415120, 633058, 664192, 830240, 1266116, 1582645, 1660480, 2532232, 3165290, 3320960, 5064464, 6330580, 10128928, 12661160, 20257856, 25322320, 40515712, 50644640, 101289280, 202578560]

約数ペア:

[(1, 202578560), (2, 101289280), (4, 50644640), (5, 40515712), (8, 25322320), (10, 20257856), (16, 12661160), (20, 10128928), (32, 6330580), (40, 5064464), (61, 3320960), (64, 3165290), (80, 2532232), (122, 1660480), (128, 1582645), (160, 1266116), (244, 830240), (305, 664192), (320, 633058), (488, 415120), (610, 332096), (640, 316529), (976, 207560), (1220, 166048), (1952, 103780), (2440, 83024), (3904, 51890), (4880, 41512), (5189, 39040), (7808, 25945), (9760, 20756), (10378, 19520)]