65458900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 156663584

約数和(自身を除く): 91204684

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1171, 1300, 2150, 2236, 2342, 2795, 4300, 4684, 5590, 5855, 11180, 11710, 13975, 15223, 23420, 27950, 29275, 30446, 50353, 55900, 58550, 60892, 76115, 100706, 117100, 152230, 201412, 251765, 304460, 380575, 503530, 654589, 761150, 1007060, 1258825, 1309178, 1522300, 2517650, 2618356, 3272945, 5035300, 6545890, 13091780, 16364725, 32729450, 65458900]

約数ペア:

[(1, 65458900), (2, 32729450), (4, 16364725), (5, 13091780), (10, 6545890), (13, 5035300), (20, 3272945), (25, 2618356), (26, 2517650), (43, 1522300), (50, 1309178), (52, 1258825), (65, 1007060), (86, 761150), (100, 654589), (130, 503530), (172, 380575), (215, 304460), (260, 251765), (325, 201412), (430, 152230), (559, 117100), (650, 100706), (860, 76115), (1075, 60892), (1118, 58550), (1171, 55900), (1300, 50353), (2150, 30446), (2236, 29275), (2342, 27950), (2795, 23420), (4300, 15223), (4684, 13975), (5590, 11710), (5855, 11180)]