40978400

素因数分解:

$2^5\times 5^2\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:484

約数の個数: 72

約数和(自身を含む): 100946664

約数和(自身を除く): 59968264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 181, 200, 283, 362, 400, 566, 724, 800, 905, 1132, 1415, 1448, 1810, 2264, 2830, 2896, 3620, 4525, 4528, 5660, 5792, 7075, 7240, 9050, 9056, 11320, 14150, 14480, 18100, 22640, 28300, 28960, 36200, 45280, 51223, 56600, 72400, 102446, 113200, 144800, 204892, 226400, 256115, 409784, 512230, 819568, 1024460, 1280575, 1639136, 2048920, 2561150, 4097840, 5122300, 8195680, 10244600, 20489200, 40978400]

約数ペア:

[(1, 40978400), (2, 20489200), (4, 10244600), (5, 8195680), (8, 5122300), (10, 4097840), (16, 2561150), (20, 2048920), (25, 1639136), (32, 1280575), (40, 1024460), (50, 819568), (80, 512230), (100, 409784), (160, 256115), (181, 226400), (200, 204892), (283, 144800), (362, 113200), (400, 102446), (566, 72400), (724, 56600), (800, 51223), (905, 45280), (1132, 36200), (1415, 28960), (1448, 28300), (1810, 22640), (2264, 18100), (2830, 14480), (2896, 14150), (3620, 11320), (4525, 9056), (4528, 9050), (5660, 7240), (5792, 7075)]