40736920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2084

約数の個数: 64

約数和(自身を含む): 106240320

約数和(自身を除く): 65503400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 1993, 2044, 2555, 2920, 3986, 4088, 5110, 7972, 9965, 10220, 13951, 15944, 19930, 20440, 27902, 39860, 55804, 69755, 79720, 111608, 139510, 145489, 279020, 290978, 558040, 581956, 727445, 1018423, 1163912, 1454890, 2036846, 2909780, 4073692, 5092115, 5819560, 8147384, 10184230, 20368460, 40736920]

約数ペア:

[(1, 40736920), (2, 20368460), (4, 10184230), (5, 8147384), (7, 5819560), (8, 5092115), (10, 4073692), (14, 2909780), (20, 2036846), (28, 1454890), (35, 1163912), (40, 1018423), (56, 727445), (70, 581956), (73, 558040), (140, 290978), (146, 279020), (280, 145489), (292, 139510), (365, 111608), (511, 79720), (584, 69755), (730, 55804), (1022, 39860), (1460, 27902), (1993, 20440), (2044, 19930), (2555, 15944), (2920, 13951), (3986, 10220), (4088, 9965), (5110, 7972)]