99801040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 238645440

約数和(自身を除く): 138844400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 107, 131, 178, 214, 262, 356, 428, 445, 524, 535, 655, 712, 856, 890, 1048, 1070, 1310, 1424, 1712, 1780, 2096, 2140, 2620, 3560, 4280, 5240, 7120, 8560, 9523, 10480, 11659, 14017, 19046, 23318, 28034, 38092, 46636, 47615, 56068, 58295, 70085, 76184, 93272, 95230, 112136, 116590, 140170, 152368, 186544, 190460, 224272, 233180, 280340, 380920, 466360, 560680, 761840, 932720, 1121360, 1247513, 2495026, 4990052, 6237565, 9980104, 12475130, 19960208, 24950260, 49900520, 99801040]

約数ペア:

[(1, 99801040), (2, 49900520), (4, 24950260), (5, 19960208), (8, 12475130), (10, 9980104), (16, 6237565), (20, 4990052), (40, 2495026), (80, 1247513), (89, 1121360), (107, 932720), (131, 761840), (178, 560680), (214, 466360), (262, 380920), (356, 280340), (428, 233180), (445, 224272), (524, 190460), (535, 186544), (655, 152368), (712, 140170), (856, 116590), (890, 112136), (1048, 95230), (1070, 93272), (1310, 76184), (1424, 70085), (1712, 58295), (1780, 56068), (2096, 47615), (2140, 46636), (2620, 38092), (3560, 28034), (4280, 23318), (5240, 19046), (7120, 14017), (8560, 11659), (9523, 10480)]