38400700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 90896960

約数和(自身を除く): 52496260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 218, 260, 271, 325, 436, 542, 545, 650, 1084, 1090, 1300, 1355, 1417, 2180, 2710, 2725, 2834, 3523, 5420, 5450, 5668, 6775, 7046, 7085, 10900, 13550, 14092, 14170, 17615, 27100, 28340, 29539, 35230, 35425, 59078, 70460, 70850, 88075, 118156, 141700, 147695, 176150, 295390, 352300, 384007, 590780, 738475, 768014, 1476950, 1536028, 1920035, 2953900, 3840070, 7680140, 9600175, 19200350, 38400700]

約数ペア:

[(1, 38400700), (2, 19200350), (4, 9600175), (5, 7680140), (10, 3840070), (13, 2953900), (20, 1920035), (25, 1536028), (26, 1476950), (50, 768014), (52, 738475), (65, 590780), (100, 384007), (109, 352300), (130, 295390), (218, 176150), (260, 147695), (271, 141700), (325, 118156), (436, 88075), (542, 70850), (545, 70460), (650, 59078), (1084, 35425), (1090, 35230), (1300, 29539), (1355, 28340), (1417, 27100), (2180, 17615), (2710, 14170), (2725, 14092), (2834, 13550), (3523, 10900), (5420, 7085), (5450, 7046), (5668, 6775)]