201783920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{773}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 507904992

約数和(自身を除く): 306121072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 251, 260, 502, 520, 773, 1004, 1040, 1255, 1546, 2008, 2510, 3092, 3263, 3865, 4016, 5020, 6184, 6526, 7730, 10040, 10049, 12368, 13052, 15460, 16315, 20080, 20098, 26104, 30920, 32630, 40196, 50245, 52208, 61840, 65260, 80392, 100490, 130520, 160784, 194023, 200980, 261040, 388046, 401960, 776092, 803920, 970115, 1552184, 1940230, 2522299, 3104368, 3880460, 5044598, 7760920, 10089196, 12611495, 15521840, 20178392, 25222990, 40356784, 50445980, 100891960, 201783920]

約数ペア:

[(1, 201783920), (2, 100891960), (4, 50445980), (5, 40356784), (8, 25222990), (10, 20178392), (13, 15521840), (16, 12611495), (20, 10089196), (26, 7760920), (40, 5044598), (52, 3880460), (65, 3104368), (80, 2522299), (104, 1940230), (130, 1552184), (208, 970115), (251, 803920), (260, 776092), (502, 401960), (520, 388046), (773, 261040), (1004, 200980), (1040, 194023), (1255, 160784), (1546, 130520), (2008, 100490), (2510, 80392), (3092, 65260), (3263, 61840), (3865, 52208), (4016, 50245), (5020, 40196), (6184, 32630), (6526, 30920), (7730, 26104), (10040, 20098), (10049, 20080), (12368, 16315), (13052, 15460)]