20153764100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{12227}}^1$

素因数の和:12605

約数の個数: 72

約数和(自身を含む): 44705763648

約数和(自身を除く): 24551999548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 311, 530, 622, 1060, 1244, 1325, 1555, 2650, 3110, 5300, 6220, 7775, 12227, 15550, 16483, 24454, 31100, 32966, 48908, 61135, 65932, 82415, 122270, 164830, 244540, 305675, 329660, 412075, 611350, 648031, 824150, 1222700, 1296062, 1648300, 2592124, 3240155, 3802597, 6480310, 7605194, 12960620, 15210388, 16200775, 19012985, 32401550, 38025970, 64803100, 76051940, 95064925, 190129850, 201537641, 380259700, 403075282, 806150564, 1007688205, 2015376410, 4030752820, 5038441025, 10076882050, 20153764100]

約数ペア:

[(1, 20153764100), (2, 10076882050), (4, 5038441025), (5, 4030752820), (10, 2015376410), (20, 1007688205), (25, 806150564), (50, 403075282), (53, 380259700), (100, 201537641), (106, 190129850), (212, 95064925), (265, 76051940), (311, 64803100), (530, 38025970), (622, 32401550), (1060, 19012985), (1244, 16200775), (1325, 15210388), (1555, 12960620), (2650, 7605194), (3110, 6480310), (5300, 3802597), (6220, 3240155), (7775, 2592124), (12227, 1648300), (15550, 1296062), (16483, 1222700), (24454, 824150), (31100, 648031), (32966, 611350), (48908, 412075), (61135, 329660), (65932, 305675), (82415, 244540), (122270, 164830)]