80671300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 184488192

約数和(自身を除く): 103816892

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 53, 62, 100, 106, 124, 155, 212, 265, 310, 491, 530, 620, 775, 982, 1060, 1325, 1550, 1643, 1964, 2455, 2650, 3100, 3286, 4910, 5300, 6572, 8215, 9820, 12275, 15221, 16430, 24550, 26023, 30442, 32860, 41075, 49100, 52046, 60884, 76105, 82150, 104092, 130115, 152210, 164300, 260230, 304420, 380525, 520460, 650575, 761050, 806713, 1301150, 1522100, 1613426, 2602300, 3226852, 4033565, 8067130, 16134260, 20167825, 40335650, 80671300]

約数ペア:

[(1, 80671300), (2, 40335650), (4, 20167825), (5, 16134260), (10, 8067130), (20, 4033565), (25, 3226852), (31, 2602300), (50, 1613426), (53, 1522100), (62, 1301150), (100, 806713), (106, 761050), (124, 650575), (155, 520460), (212, 380525), (265, 304420), (310, 260230), (491, 164300), (530, 152210), (620, 130115), (775, 104092), (982, 82150), (1060, 76105), (1325, 60884), (1550, 52046), (1643, 49100), (1964, 41075), (2455, 32860), (2650, 30442), (3100, 26023), (3286, 24550), (4910, 16430), (5300, 15221), (6572, 12275), (8215, 9820)]