64419200

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 163348920

約数和(自身を除く): 98929720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 320, 328, 400, 410, 491, 640, 656, 800, 820, 982, 1025, 1312, 1600, 1640, 1964, 2050, 2455, 2624, 3200, 3280, 3928, 4100, 4910, 5248, 6560, 7856, 8200, 9820, 12275, 13120, 15712, 16400, 19640, 20131, 24550, 26240, 31424, 32800, 39280, 40262, 49100, 62848, 65600, 78560, 80524, 98200, 100655, 131200, 157120, 161048, 196400, 201310, 314240, 322096, 392800, 402620, 503275, 644192, 785600, 805240, 1006550, 1288384, 1571200, 1610480, 2013100, 2576768, 3220960, 4026200, 6441920, 8052400, 12883840, 16104800, 32209600, 64419200]

約数ペア:

[(1, 64419200), (2, 32209600), (4, 16104800), (5, 12883840), (8, 8052400), (10, 6441920), (16, 4026200), (20, 3220960), (25, 2576768), (32, 2013100), (40, 1610480), (41, 1571200), (50, 1288384), (64, 1006550), (80, 805240), (82, 785600), (100, 644192), (128, 503275), (160, 402620), (164, 392800), (200, 322096), (205, 314240), (320, 201310), (328, 196400), (400, 161048), (410, 157120), (491, 131200), (640, 100655), (656, 98200), (800, 80524), (820, 78560), (982, 65600), (1025, 62848), (1312, 49100), (1600, 40262), (1640, 39280), (1964, 32800), (2050, 31424), (2455, 26240), (2624, 24550), (3200, 20131), (3280, 19640), (3928, 16400), (4100, 15712), (4910, 13120), (5248, 12275), (6560, 9820), (7856, 8200)]